Hard Gainer

You train seriously, you eat, and the scale hasn't budged in months. A gainer serves one specific purpose: to provide calories without having to chew, when appetite becomes the limiting factor. Here you'll find the most calorie-dense formulas in the catalog, and below the grid, how to make your own for less.

Mutant Mass
Mutant Mass - protein gainer for extreme mass gain
Mutant Mass 6800 g gainer prise de masse
Mutant Mass 6800 g Cookies and Cream
Mutant

Mutant Mass

(0)

From 43,90 €

OstroVit Anabolic Gainer 1 kg
OstroVit Anabolic Gainer 1 kg — Vanille
OstroVit Anabolic Gainer 1 kg — Chocolat
OstroVit Anabolic Gainer 1 kg — Fraise
OstroVit

OstroVit Anabolic Gainer 1 kg

(0)

26,90 €

Mutant Mass Extreme 2500 — Gainer
Mutant Mass Extreme 2500 Cookies & Cream 2,72 kg
Mutant Mass Extreme 2500 Vanilla Ice Cream 2,72 kg
Mutant Mass Extreme 2500 Triple Chocolate 2,72 kg
Mutant

Mutant Mass Extreme 2500 — Gainer

(0)

From 32,90 €

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What is a hard gainer?

A hard gainer is someone who trains seriously, eats plenty, and yet finds their weight stuck at the same number for months. The term comes from bodybuilding vocabulary, not medicine: there is no "hard gainer" diagnosis, no test that categorizes you as such. It's a description of a situation, not a condition.

The typical profile is consistent: a lean physique, little fat, modest appetite, and often a very active lifestyle outside of the gym. These individuals move a lot without thinking about it, and this energy expenditure isn't reflected on any smartwatch.

Why doesn't a hard gainer gain weight?

In the vast majority of cases, the answer isn't metabolism: it's actual food intake. Differences in resting energy expenditure between two adults of the same height and weight do exist, but they remain small compared to daily fluctuations in intake.

What happens in practice: the person eats a lot on Monday, adequately on Tuesday, skips a meal on Wednesday because they weren't hungry, and mainly remembers Monday. Over seven days, the average falls well below what they imagine. The test is free: weigh and record everything you eat for a full week, including weekends, without changing your habits. Almost no one finds the number they expected.

The real obstacle, then, is appetite. Adding 500 kcal to an already full day requires eating when you're not hungry, three or four times a week, for months. This is where most attempts fail — not on training, not on genetics.

Commonly used benchmarks in bodybuilding: a surplus of approximately 300 to 500 kcal per day above your maintenance, for a gain of around 0.25% to 0.5% of body weight per week. For a 70 kg person, this represents 175 to 350 g weekly. It's slow, it's normal, and wanting to go three times faster mostly leads to gaining fat.

What does a gainer actually provide?

A gainer solves one specific problem, and only one: consuming a lot of calories without having to chew. Drinking 700 kcal takes two minutes; eating them in the form of rice and chicken takes half an hour and leaves your stomach full for three hours. For someone who isn't hungry, this difference is crucial.

You need to be clear about what's in the tub. The ingredient list of a classic gainer almost always starts with maltodextrin, oat flour, or dextrose, followed by a milk protein concentrate. In other words: sugar and milk powder, possibly with some powdered oil, flavorings, and vitamins. None of these ingredients have any particular anabolic properties. What you're buying is high caloric density in a drinkable form, and the simplicity of not having to prepare anything.

However, a gainer is not mandatory. If you're already eating enough without progressing, the problem lies elsewhere: program, sleep, consistency. An extra shake won't change anything.

How to read the carb/protein ratio of a gainer?

This is the only figure that truly differentiates two products, and it can be calculated in three seconds from the nutritional label. Divide carbohydrates by protein, per 100 g of powder.

  • 4:1 to 6:1 ratio — the classic "mass" gainer. Around 70 to 75 g of carbohydrates for 13 to 18 g of protein per 100 g, or about 370 to 390 kcal. Designed to quickly stack calories. The advertised portions are huge: some products boast over 1,000 kcal per serving, which implies 250 to 300 g of powder in a liter of milk. Few people can maintain that twice a day.
  • 2:1 to 3:1 ratio — the lean gainer. Fewer fast sugars, more protein, and a more gradual gain. This is the preferred choice if you tend to gain belly fat easily.
  • 1:1 ratio or less — this is no longer a gainer, it's a protein with added carbohydrates.

Then look at two details: the type of carbohydrates (maltodextrin and dextrose raise blood sugar quickly; oats and rice cream do so much more gently) and the protein source. A gainer built on whey concentrate remains digestible; a gainer that stacks cheap wheat and soy protein is often less so. The brand ultimately matters very little: two products with the same ratio and ingredient list behave similarly. Compare the price per kilo of powder, not the price of the tub.

Ready-made gainer or homemade gainer: which to choose?

Homemade gainer works very well, and it's significantly cheaper. The classic base for a shake:

  • 100 g of oat flour — approximately 370 kcal, 60 g of carbohydrates, 13 g of protein
  • 30 g of whey concentrate — approximately 115 kcal, 24 g of protein
  • 15 ml of olive or rapeseed oil — approximately 135 kcal, imperceptible in taste in a chocolate shake
  • 300 ml of semi-skimmed milk — approximately 140 kcal and 10 g of protein

Total: around 760 kcal, including approximately 75 g of carbohydrates and 47 g of protein. A ratio close to 1.6:1, so much more protein-rich than a commercial gainer. A spoon of peanut butter or a banana adds another 100 to 200 kcal. If oats are difficult to digest, replace them with rice cream or sweet potato flour, which are gentler on the stomach.

Industrial gainer still has two real advantages: it dissolves without lumps and without a blender, and it's portable. For a shake to drink on public transport or between classes, this is decisive. For a shake prepared at home, the homemade version is better and cheaper. Many of our customers do both.

What should you not expect from a gainer?

A gainer doesn't build muscle: it helps you gain weight. The proportion of that weight that becomes muscle depends on training, protein intake, and the rate of gain. Too fast, the proportion of fat increases.

The most common discomforts are digestive: bloating, accelerated transit, feeling of heaviness. These almost always come from the volume ingested at once and the lactose in whey concentrate. Half a dose twice a day solves the problem in most cases. If you are lactose intolerant, a whey isolate base plus carbohydrates will be more comfortable than a standard gainer.

Finally, a very sweet gainer consumed without corresponding physical activity offers nothing useful. If you are diabetic or are taking medication that affects blood sugar, speak to your doctor before incorporating one into your diet.

Frequently Asked Questions

What is a gainer in bodybuilding?

A powder to be mixed with liquid, designed to provide a lot of calories in a small volume, combining carbohydrates and protein — typically 350 to 400 kcal per 100 g of powder, compared to 380 kcal for the same amount of protein alone but with four times fewer carbohydrates. The term "gainer" comes from "to gain weight": it is not a supplement in the regulatory sense, but rather a reconstituted food. "Mass gainer" refers to the same thing, with a higher carbohydrate ratio.

How do I know if I'm a hard gainer?

Accurately record everything you eat for seven consecutive days, without changing anything. If your weight doesn't budge even though you honestly eat a lot, your maintenance is simply higher than expected: increase by 300 to 500 kcal and re-evaluate after three weeks. In nine out of ten cases, the actual intake was lower than the estimated intake.

What is the best gainer?

The one whose ratio matches your situation and whose bag you'll actually finish. Specifically: if you're not gaining anything despite serious efforts, a 4:1 to 6:1 ratio does the job; if you gain fat easily, a 2:1 to 3:1 is more suitable. Then, three checks are better than a ranking: the protein source — a whey concentrate or isolate rather than a stack of cheap wheat and soy — the type of carbohydrates, and the price per kilo of powder. Taste matters more than you think: a five-kilo bag whose flavor makes you sick after a week is useless.

Which gainer to take to gain weight fast?

The question should be reversed: "fast" is almost always a bad goal. A moderate surplus of 300 to 500 kcal results in 0.25% to 0.5% of body weight per week, with a correct proportion of muscle; doubling this surplus primarily doubles the amount of fat, which you will then have to lose. That said, if you're looking for maximum caloric density per shake, it's a 5:1 or 6:1 ratio taken with whole milk instead of water, possibly supplemented with a spoonful of peanut butter. And divide the dose into two servings: a 1,000 kcal shake will suppress your appetite for the next meal, which negates the benefit.

Which gainer for an ectomorph?

Morphological categories — ectomorph, mesomorph, endomorph — come from a typology from the 1940s that has no recognized scientific predictive value; no one is confined to one of them. What the word practically means is the profile described at the top of this page: lean physique, little fat, modest appetite, high spontaneous activity. For this profile, a 4:1 to 6:1 ratio is logical, as the problem is indeed to consume calories and not to limit fat. Two points are more important than the choice of tub: dividing into two daily servings, and not drinking the shake within the hour before a meal.

How to use a mass gainer?

Start with a half dose the first week: the full doses advertised on the tubs are enormous and almost always cause digestive problems right away. Dilute in 400 to 600 ml, with water if you don't tolerate lactose well, with milk for more calories and creaminess. Drink it between meals or after training, never within the hour before a solid meal — otherwise, it replaces calories instead of adding to them. A shake should be prepared at the last minute: the powder thickens as it sits. And remember to weigh the dose rather than estimating with a scoop.

What is the price of a gainer?

The benchmark is the price per kilo of powder, never that of the bag, as packaging ranges from 1 to 6 kg. A gainer is logically cheaper per kilo than pure protein, as it is mainly composed of inexpensive carbohydrates — which also explains why a very cheap gainer is generally very low in protein. The honest calculation involves comparing the cost of 1,000 kcal: by this criterion, an industrial gainer is almost always more expensive than the homemade mix detailed above (oats plus whey plus oil). What you pay extra for is convenience and solubility.

Does a gainer make you gain fat?

It makes you gain weight, and some of that weight is fat — that's inevitable when bulking. What can be controlled is the proportion: a moderate surplus and regular training limit it, a massive surplus increases it.

How many doses of gainer per day?

One to two, rarely more. The gainer supplements your diet, it doesn't replace it. Three shakes a day will suppress your appetite for solid meals, and the total caloric intake won't benefit.

Gainer or whey: which to choose?

If you lack calories, choose gainer. If you eat enough but lack protein, choose whey. Many people buy a gainer when they could simply add carbohydrates to their whey — which is cheaper.

When to take your gainer?

When you're not hungry, which is usually between meals or after training. The precise time doesn't matter: it's the daily total that counts. Just avoid drinking it right before a meal.

Is a gainer useful without weight training?

To regain weight without training, the additional intake will primarily go towards fat mass. If the weight loss is involuntary or recent, it's a medical issue: see a doctor rather than a supplement aisle.

How long does it take to see results?

Allow three to four weeks to judge a trend on the scale, and several months for a visible change. Weigh yourself fasted two to three times a week and base your assessment on the weekly average, never on a single weigh-in.

What gainers do we offer?

Our selection prioritizes formulas with short ingredient lists and clearly stated ratios. This includes ranges from Mutant, IO Genix, Sinob, and TrainedByJP.

If you prefer to build your own mix, the ingredients are available separately, along with creatine monohydrate, the only supplement whose benefit in mass gain is solidly documented. Everything is grouped on our mass gain page. For carbohydrates during exercise, see cyclic dextrin or waxy maize.

Where to compare gainers near Montpellier?

The tubs are open and smelled in our store in Vendargues, about ten minutes from Montpellier, at 285 Rue Des Portes Domitiennes. For a product bought by five or six kilos, taste and texture often determine whether the bag will be finished or forgotten in a cupboard. We also ship everywhere in France and Europe.

Sources

To be integrated into a varied and balanced diet and a healthy lifestyle.

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What is a hard gainer?

A hard gainer is someone who trains seriously, eats plenty, and yet finds their weight stuck at the same number for months. The term comes from bodybuilding vocabulary, not medicine: there is no "hard gainer" diagnosis, no test that categorizes you as such. It's a description of a situation, not a condition.

The typical profile is consistent: a lean physique, little fat, modest appetite, and often a very active lifestyle outside of the gym. These individuals move a lot without thinking about it, and this energy expenditure isn't reflected on any smartwatch.

Why doesn't a hard gainer gain weight?

In the vast majority of cases, the answer isn't metabolism: it's actual food intake. Differences in resting energy expenditure between two adults of the same height and weight do exist, but they remain small compared to daily fluctuations in intake.

What happens in practice: the person eats a lot on Monday, adequately on Tuesday, skips a meal on Wednesday because they weren't hungry, and mainly remembers Monday. Over seven days, the average falls well below what they imagine. The test is free: weigh and record everything you eat for a full week, including weekends, without changing your habits. Almost no one finds the number they expected.

The real obstacle, then, is appetite. Adding 500 kcal to an already full day requires eating when you're not hungry, three or four times a week, for months. This is where most attempts fail — not on training, not on genetics.

Commonly used benchmarks in bodybuilding: a surplus of approximately 300 to 500 kcal per day above your maintenance, for a gain of around 0.25% to 0.5% of body weight per week. For a 70 kg person, this represents 175 to 350 g weekly. It's slow, it's normal, and wanting to go three times faster mostly leads to gaining fat.

What does a gainer actually provide?

A gainer solves one specific problem, and only one: consuming a lot of calories without having to chew. Drinking 700 kcal takes two minutes; eating them in the form of rice and chicken takes half an hour and leaves your stomach full for three hours. For someone who isn't hungry, this difference is crucial.

You need to be clear about what's in the tub. The ingredient list of a classic gainer almost always starts with maltodextrin, oat flour, or dextrose, followed by a milk protein concentrate. In other words: sugar and milk powder, possibly with some powdered oil, flavorings, and vitamins. None of these ingredients have any particular anabolic properties. What you're buying is high caloric density in a drinkable form, and the simplicity of not having to prepare anything.

However, a gainer is not mandatory. If you're already eating enough without progressing, the problem lies elsewhere: program, sleep, consistency. An extra shake won't change anything.

How to read the carb/protein ratio of a gainer?

This is the only figure that truly differentiates two products, and it can be calculated in three seconds from the nutritional label. Divide carbohydrates by protein, per 100 g of powder.

  • 4:1 to 6:1 ratio — the classic "mass" gainer. Around 70 to 75 g of carbohydrates for 13 to 18 g of protein per 100 g, or about 370 to 390 kcal. Designed to quickly stack calories. The advertised portions are huge: some products boast over 1,000 kcal per serving, which implies 250 to 300 g of powder in a liter of milk. Few people can maintain that twice a day.
  • 2:1 to 3:1 ratio — the lean gainer. Fewer fast sugars, more protein, and a more gradual gain. This is the preferred choice if you tend to gain belly fat easily.
  • 1:1 ratio or less — this is no longer a gainer, it's a protein with added carbohydrates.

Then look at two details: the type of carbohydrates (maltodextrin and dextrose raise blood sugar quickly; oats and rice cream do so much more gently) and the protein source. A gainer built on whey concentrate remains digestible; a gainer that stacks cheap wheat and soy protein is often less so. The brand ultimately matters very little: two products with the same ratio and ingredient list behave similarly. Compare the price per kilo of powder, not the price of the tub.

Ready-made gainer or homemade gainer: which to choose?

Homemade gainer works very well, and it's significantly cheaper. The classic base for a shake:

  • 100 g of oat flour — approximately 370 kcal, 60 g of carbohydrates, 13 g of protein
  • 30 g of whey concentrate — approximately 115 kcal, 24 g of protein
  • 15 ml of olive or rapeseed oil — approximately 135 kcal, imperceptible in taste in a chocolate shake
  • 300 ml of semi-skimmed milk — approximately 140 kcal and 10 g of protein

Total: around 760 kcal, including approximately 75 g of carbohydrates and 47 g of protein. A ratio close to 1.6:1, so much more protein-rich than a commercial gainer. A spoon of peanut butter or a banana adds another 100 to 200 kcal. If oats are difficult to digest, replace them with rice cream or sweet potato flour, which are gentler on the stomach.

Industrial gainer still has two real advantages: it dissolves without lumps and without a blender, and it's portable. For a shake to drink on public transport or between classes, this is decisive. For a shake prepared at home, the homemade version is better and cheaper. Many of our customers do both.

What should you not expect from a gainer?

A gainer doesn't build muscle: it helps you gain weight. The proportion of that weight that becomes muscle depends on training, protein intake, and the rate of gain. Too fast, the proportion of fat increases.

The most common discomforts are digestive: bloating, accelerated transit, feeling of heaviness. These almost always come from the volume ingested at once and the lactose in whey concentrate. Half a dose twice a day solves the problem in most cases. If you are lactose intolerant, a whey isolate base plus carbohydrates will be more comfortable than a standard gainer.

Finally, a very sweet gainer consumed without corresponding physical activity offers nothing useful. If you are diabetic or are taking medication that affects blood sugar, speak to your doctor before incorporating one into your diet.

Frequently Asked Questions

What is a gainer in bodybuilding?

A powder to be mixed with liquid, designed to provide a lot of calories in a small volume, combining carbohydrates and protein — typically 350 to 400 kcal per 100 g of powder, compared to 380 kcal for the same amount of protein alone but with four times fewer carbohydrates. The term "gainer" comes from "to gain weight": it is not a supplement in the regulatory sense, but rather a reconstituted food. "Mass gainer" refers to the same thing, with a higher carbohydrate ratio.

How do I know if I'm a hard gainer?

Accurately record everything you eat for seven consecutive days, without changing anything. If your weight doesn't budge even though you honestly eat a lot, your maintenance is simply higher than expected: increase by 300 to 500 kcal and re-evaluate after three weeks. In nine out of ten cases, the actual intake was lower than the estimated intake.

What is the best gainer?

The one whose ratio matches your situation and whose bag you'll actually finish. Specifically: if you're not gaining anything despite serious efforts, a 4:1 to 6:1 ratio does the job; if you gain fat easily, a 2:1 to 3:1 is more suitable. Then, three checks are better than a ranking: the protein source — a whey concentrate or isolate rather than a stack of cheap wheat and soy — the type of carbohydrates, and the price per kilo of powder. Taste matters more than you think: a five-kilo bag whose flavor makes you sick after a week is useless.

Which gainer to take to gain weight fast?

The question should be reversed: "fast" is almost always a bad goal. A moderate surplus of 300 to 500 kcal results in 0.25% to 0.5% of body weight per week, with a correct proportion of muscle; doubling this surplus primarily doubles the amount of fat, which you will then have to lose. That said, if you're looking for maximum caloric density per shake, it's a 5:1 or 6:1 ratio taken with whole milk instead of water, possibly supplemented with a spoonful of peanut butter. And divide the dose into two servings: a 1,000 kcal shake will suppress your appetite for the next meal, which negates the benefit.

Which gainer for an ectomorph?

Morphological categories — ectomorph, mesomorph, endomorph — come from a typology from the 1940s that has no recognized scientific predictive value; no one is confined to one of them. What the word practically means is the profile described at the top of this page: lean physique, little fat, modest appetite, high spontaneous activity. For this profile, a 4:1 to 6:1 ratio is logical, as the problem is indeed to consume calories and not to limit fat. Two points are more important than the choice of tub: dividing into two daily servings, and not drinking the shake within the hour before a meal.

How to use a mass gainer?

Start with a half dose the first week: the full doses advertised on the tubs are enormous and almost always cause digestive problems right away. Dilute in 400 to 600 ml, with water if you don't tolerate lactose well, with milk for more calories and creaminess. Drink it between meals or after training, never within the hour before a solid meal — otherwise, it replaces calories instead of adding to them. A shake should be prepared at the last minute: the powder thickens as it sits. And remember to weigh the dose rather than estimating with a scoop.

What is the price of a gainer?

The benchmark is the price per kilo of powder, never that of the bag, as packaging ranges from 1 to 6 kg. A gainer is logically cheaper per kilo than pure protein, as it is mainly composed of inexpensive carbohydrates — which also explains why a very cheap gainer is generally very low in protein. The honest calculation involves comparing the cost of 1,000 kcal: by this criterion, an industrial gainer is almost always more expensive than the homemade mix detailed above (oats plus whey plus oil). What you pay extra for is convenience and solubility.

Does a gainer make you gain fat?

It makes you gain weight, and some of that weight is fat — that's inevitable when bulking. What can be controlled is the proportion: a moderate surplus and regular training limit it, a massive surplus increases it.

How many doses of gainer per day?

One to two, rarely more. The gainer supplements your diet, it doesn't replace it. Three shakes a day will suppress your appetite for solid meals, and the total caloric intake won't benefit.

Gainer or whey: which to choose?

If you lack calories, choose gainer. If you eat enough but lack protein, choose whey. Many people buy a gainer when they could simply add carbohydrates to their whey — which is cheaper.

When to take your gainer?

When you're not hungry, which is usually between meals or after training. The precise time doesn't matter: it's the daily total that counts. Just avoid drinking it right before a meal.

Is a gainer useful without weight training?

To regain weight without training, the additional intake will primarily go towards fat mass. If the weight loss is involuntary or recent, it's a medical issue: see a doctor rather than a supplement aisle.

How long does it take to see results?

Allow three to four weeks to judge a trend on the scale, and several months for a visible change. Weigh yourself fasted two to three times a week and base your assessment on the weekly average, never on a single weigh-in.

What gainers do we offer?

Our selection prioritizes formulas with short ingredient lists and clearly stated ratios. This includes ranges from Mutant, IO Genix, Sinob, and TrainedByJP.

If you prefer to build your own mix, the ingredients are available separately, along with creatine monohydrate, the only supplement whose benefit in mass gain is solidly documented. Everything is grouped on our mass gain page. For carbohydrates during exercise, see cyclic dextrin or waxy maize.

Where to compare gainers near Montpellier?

The tubs are open and smelled in our store in Vendargues, about ten minutes from Montpellier, at 285 Rue Des Portes Domitiennes. For a product bought by five or six kilos, taste and texture often determine whether the bag will be finished or forgotten in a cupboard. We also ship everywhere in France and Europe.

Sources

To be integrated into a varied and balanced diet and a healthy lifestyle.

Questions fréquentes — Hard Gainer

C'est quoi un gainer en musculation ?

Une poudre à diluer conçue pour apporter beaucoup de calories dans un petit volume, en combinant des glucides et des protéines — typiquement 350 à 400 kcal pour 100 g de poudre, contre 380 kcal pour la même quantité de protéine seule mais avec quatre fois moins de glucides. Le terme anglais « gainer » vient de to gain weight, prendre du poids : ça n'est pas un complément au sens réglementaire, plutôt un aliment reconstitué. « Mass gainer » désigne la même chose, avec un ratio de glucides plus élevé.

Comment savoir si je suis un hard gainer ?

Notez précisément tout ce que vous mangez pendant sept jours d'affilée, sans rien modifier. Si votre poids ne bouge pas alors que vous mangez sincèrement beaucoup, votre maintenance est simplement plus haute que prévu : augmentez de 300 à 500 kcal et réévaluez au bout de trois semaines. Dans neuf cas sur dix, l'apport réel était plus bas que l'apport estimé.

Quel est le meilleur gainer ?

Celui dont le ratio correspond à votre situation et dont vous finirez le sac. Concrètement : si vous ne prenez rien malgré des efforts sérieux, un ratio 4:1 à 6:1 fait le travail ; si vous prenez du gras facilement, un 2:1 à 3:1 est plus adapté. Ensuite, deux vérifications valent mieux qu'un classement : la source de protéines — un concentré ou un isolat de lactosérum — et la nature des glucides. Le goût compte davantage qu'on ne croit sur un sac de cinq kilos : choisissez un arôme que vous aurez plaisir à boire tous les jours.

Quel gainer prendre pour grossir vite ?

« Vite » gagne à être précisé. Un surplus modéré de 300 à 500 kcal donne 0,25 à 0,5 % du poids corporel par semaine, avec une bonne proportion de muscle. Pour la densité calorique maximale par shaker, c'est un ratio 5:1 ou 6:1 pris avec du lait entier plutôt que de l'eau, éventuellement complété d'une cuillère de beurre de cacahuète. Divisez la dose en deux prises : deux shakers de 500 kcal passent mieux qu'un seul de 1 000 et laissent la place au repas suivant.

Quel gainer pour un ectomorphe ?

Les catégories morphologiques — ectomorphe, mésomorphe, endomorphe — viennent d'une typologie des années 1940 qui n'a aucune valeur prédictive scientifique reconnue ; personne n'est enfermé dans l'une d'elles. Ce que le mot désigne en pratique, c'est le profil décrit en haut de cette page : morphologie longiligne, peu de gras, appétit modeste, activité spontanée élevée. Pour ce profil, un ratio 4:1 à 6:1 est logique, puisque le problème est bien de faire passer des calories et non de limiter le gras. Deux points comptent davantage que le choix du pot : fractionner en deux prises quotidiennes, et ne pas boire le shaker dans l'heure qui précède un repas.

Comment utiliser un mass gainer ?

Commencez par une demi-dose la première semaine, le temps que la digestion s'habitue au volume. Diluez dans 400 à 600 ml, avec de l'eau si vous supportez mal le lactose, avec du lait pour plus de calories et de crémosité. Buvez-le entre les repas ou après l'entraînement, jamais dans l'heure qui précède un repas solide — sinon il remplace des calories au lieu de s'y ajouter. Un shaker se prépare au dernier moment : la poudre épaissit en reposant. Et gardez le réflexe de peser la dose plutôt que d'estimer à la doseuse.

Un gainer fait-il prendre du gras ?

Il fait prendre du poids, et une partie de ce poids est du gras — c'est inévitable en prise de masse. Ce qui se contrôle, c'est la proportion : un surplus modéré et un entraînement régulier la limitent, un surplus massif l'augmente.

Combien de doses de gainer par jour ?

Une à deux, le gainer complétant l'alimentation plutôt qu'il ne la remplace. Deux prises bien réparties laissent toute leur place aux repas solides, et c'est ce qui fait monter le total de la journée.

Gainer ou whey : que choisir ?

Si vous manquez de calories, le gainer. Si vous mangez assez mais manquez de protéines, la whey. Troisième voie : une whey à laquelle vous ajoutez vous-même des glucides, pour piloter le ratio au gramme.

Quand prendre son gainer ?

Au moment où vous n'avez pas faim, c'est-à-dire généralement entre les repas ou après l'entraînement. L'horaire précis n'a pas d'importance : c'est le total de la journée qui compte. Évitez simplement de le boire juste avant un repas.

Un gainer est-il utile sans musculation ?

Pour reprendre du poids sans entraînement, l'apport supplémentaire ira surtout vers la masse grasse. Si la perte de poids est involontaire ou récente, c'est une question médicale, et l'avis de votre médecin reste la référence.

En combien de temps voit-on un résultat ?

Comptez trois à quatre semaines pour juger d'une tendance sur la balance, et plusieurs mois pour un changement visible. Pesez-vous à jeun deux à trois fois par semaine et raisonnez sur la moyenne hebdomadaire, jamais sur une pesée isolée.