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Flacon de zinc bisglycinate en poudre entouré de gélules blanches sur une table en bois

Blog

Zinc Bisglycinate: Dosage, Overdose, and Side Effects

by KISS NUTRITION on Sep 09 2026
Three figures govern everything to do with zinc: 10 mg as the labelling reference, 15 mg as the French ceiling for supplements, and 25 mg as the European safety limit for all sources combined. What an excess does, how to read a nutrition facts table, and why stacking is the real risk.
Pratiquant de musculation tenant un haltère, bras congestionné

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Muscle congestion: what it is and how to get it

by KISS NUTRITION on Sep 06 2026
Congestion is blood trapped in the muscle during exertion. What it really indicates, what it doesn't prove, and the training, hydration, and nutrition levers that influence it.
Flacon de compléments alimentaires en capsules sur fond clair

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Chromium Picolinate: Benefits, Dosage, and Side Effects

by KISS NUTRITION on Sep 06 2026
Chromium is a trace element, and needs are measured in micrograms. Two claims are authorized in Europe, neither of which relates to weight. Forms, dosage, duration of treatment, side effects and contraindications.
Poudre de protéine et dosette, compléments alimentaires pour la musculation

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Which supplements to take for bodybuilding? The guide by objective

by KISS NUTRITION on Sep 06 2026
Whey, creatine, EAAs, fat burners, collagen: which ones really work, and in what order? An honest guide, ranked by goal, without a list of thirty products.
Flacons de magnésium bisglycinate, nuMagnesium et ZMA à côté d'un oxyde de magnésium, avec la molécule de magnésium chélatée à la glycine et un schéma intestinal

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Magnesium bisglycinate: what it is, side effects, and comparison

by KISS NUTRITION on Sep 05 2026
The most sought-after form of magnesium in France, and the least well-explained. What bisglycinate is, why its label claims ten times more than it delivers, its actual side effects, and how it compares to citrate and marine magnesium.
Créatine — illustration de l'article sur ce que c'est et ses risques

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What is creatine and does it pose a risk?

by KISS NUTRITION on Aug 29 2026
A molecule the body produces itself, two health claims authorised in Europe and a threshold of 3g per day. What ANSES says about the kidneys, the truly documented effects and contraindications.
Whey — illustration de l'article sur les dangers pour les reins et le foie

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Whey: dangers for kidneys, liver, and digestion

by KISS NUTRITION on Aug 29 2026
What ANSES writes exactly about protein and kidney function, what the hepatic reports are worth, and why whey causes stomach upset. Acne, contraindications, and label reading.
Oméga 3 en gélules — illustration de l'article sur le danger et le dosage

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Omega-3 Capsules: Dangers, Side Effects, Dosage

by KISS NUTRITION on Aug 29 2026
What EFSA considers safe, the atrial fibrillation signal identified by EMA, the oxidation of oils, and vitamin A in cod liver. With quantified thresholds for authorized claims.
Maltodextrine — illustration de l'article sur son danger et son utilité

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Maltodextrin: dangerous or not, and what it's used for

by KISS NUTRITION on Aug 29 2026
A starch-derived carbohydrate, without an E number, that benefits from authorized claims yet bypasses the "sugars" line on the label. Real risks, gluten, glycemic index, and label reading.
BCAA — illustration de l'article sur les dangers et les effets secondaires

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BCAAs: dangers, side effects, and real utility

by KISS NUTRITION on Aug 29 2026
At standard doses, BCAAs have no established toxicity: their real problem lies elsewhere. What three out of nine amino acids can and cannot do, the real risks, and how to read labels.
Ashwagandha KSM-66 — illustration de l'article sur les risques et l'avis de l'ANSES

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Ashwagandha KSM-66: ANSES opinion and contraindications

by KISS NUTRITION on Aug 29 2026
In April 2024, ANSES published a risk assessment opinion on ashwagandha. What it says, what KSM-66 extract is exactly, and the populations for whom consumption is not recommended.
Coenzyme Q10 — illustration de l'article sur les dangers et les interactions

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Coenzyme Q10: Dangers, Side Effects, and Interactions

by KISS NUTRITION on Aug 29 2026
A molecule with a perfectly described biological role, but for which Europe does not allow any claims. Reported effects, interaction with anticoagulants, the question of statins, and label reading.
Collagène marin — illustration de l'article sur les dangers et l'hypertension

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Marine collagen: high blood pressure, dangers, and weight gain

by KISS NUTRITION on Aug 29 2026
The three most common questions asked about marine collagen: blood pressure, dangers, weight gain. What is established, what is merely suspected, and the only authorized claim that mentions collagen.
Vitamine B12 — illustration de l'article sur le rôle, la carence et les effets

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Vitamin B12: role, intake, deficiency, and side effects

by KISS NUTRITION on Aug 29 2026
The only nutrient no plant provides in a usable form, and the only one that can be deficient for years without being noticed. Role, foods, side effects, dosages, and label reading.
Shilajit en gélules — résine d'altitude titrée en acide fulvique

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Shilajit: Dangers, Contraindications, and What It Is

by KISS NUTRITION on Aug 29 2026
A mineral resin whose real risk is not the molecule but what the rock contains: heavy metals, unmeasured iron, traceability. Contraindications, label reading and what no claim allows to promise.
RAW Nutrition Hydration : guide électrolytes & performance KISS NUTRITION

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RAW Nutrition Hydration: Electrolyte Complex Composition

by KISS NUTRITION on Jul 07 2026
What sweat removes in addition to water — sodium, potassium, magnesium, calcium — and why drinking water alone isn't always enough. When an electrolyte complex is justified, before, during, or after a workout.
Guide complet pour appliquer Abs of Steel et comprendre sa formule CoAxel KISS NUTRITION

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Abs of Steel: how to apply the cream and what CoAxel contains

by KISS NUTRITION on May 10 2026
How to apply Abs of Steel cream, what the CoAxel complex actually contains, what not to expect from it, and the precautions to take to avoid irritation.
Guide complet : Recette overnight oats saine et facile à préparer KISS NUTRITION

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Overnight oats: the basic recipe and its variations

by KISS NUTRITION on May 05 2026
A breakfast prepared the night before in five minutes: the basic ingredients, the right ratios, protein variations, and texture mistakes to avoid in the fridge.
Yam Nutrition Peanut Butter en Poudre - Cacahuète Dégraissée KISS NUTRITION

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Yam Nutrition Powdered Peanut Butter: Values and Uses

by KISS NUTRITION on Apr 27 2026
Around 45g of protein per 100g and almost 80% less fat than classic peanut butter. How to use it in smoothies, yogurts, and pastries without losing the roasted peanut flavor.
Vitamines liposolubles A + D + K2 KISS NUTRITION

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Vitamins A, D, and K2: why combine them

by KISS NUTRITION on Apr 23 2026
Why these three vitamins should be taken with a fat, and how vitamin D and K2 share the work when it comes to calcium. The forms used, including K2 MK7, and the physiological dosages.