Vitamin A and Eyes: Its Role in Vision
Vitamin A is essential for vision, especially night vision. Its role in the retina, signs of deficiency, rich food sources, and precautions to know.
Eye Strain and Screens: Causes, Symptoms, and Solutions
Eye strain related to screens: causes, symptoms, the 20-20-20 rule and eye nutrition (lutein, zeaxanthin). The complete guide.
Retinol (Vitamin A): Proven Benefits for Skin, Vision and Immunity, Dosage and Precautions
Retinol is the active form of vitamin A. Benefits recognized by the EFSA, difference with a cream, dosage, safety limit and precautions.
Lion's Mane: 8 Proven Benefits for Cognition
Lion's Mane: What RCTs Really Say About Memory, Attention, NGF, and Anxiety (Complete Guide, Dosage, Precautions).
Creatine and Brain: What Science Proves About Memory and Cognition
Creatine for the brain: what the 2024 meta-analyses really prove about memory, mental fatigue, and cognition.
Études indépendantes
Ce que dit la science sur les compléments alimentaires, les régimes et le déficit calorique
Nous avons épluché la littérature scientifique pour apporter de vraies réponses sur ces sujets saturés de promesses. L'objectif est simple : offrir une vision objective, chiffrée et vérifiable, plutôt que des certitudes marketing.
- 01 Semaglutide (Ozempic, Wegovy) vs Glucomannan (Konjac): A Scientific ComparisonRigorous comparison between semaglutide (Ozempic, Wegovy) and glucomannan (Konjac): efficacy, safety, cost, sustainability. Two tools for two audiences: medication for confirmed obesity, supplement to help maintain an ordinary caloric deficit.
- 02 Top 10 Dietary Supplements for Weight Loss: Summary of 18 Meta-AnalysesObjective ranking of 10 dietary supplements for weight loss based on 18 meta-analyses. Net effect vs placebo, GRADE evidence level, tolerance and overall score. Glucomannan, green tea and caffeine rank at the top.
- 03 How Much Does Each Diet Cost? Comparative Analysis of 14 Popular DietsEconomic analysis of 14 dietary regimens in France: weekly cost, annual cost increase, and cost per kilogram lost. Based on average prices from major retailers and cross-referenced with efficacy measured in scientific literature.
- 04 Meta-analysis of 14 Diets: Synthesis of 12 Major Meta-analysesComparative synthesis of 14 popular diets (Mediterranean, ketogenic, DASH, Dukan, low-carb, intermittent fasting...) based on 12 meta-analyses published between 2010 and 2024. Weight loss, metabolic markers, dropout rates, and long-term benefits, compared objectively.
- 05 Weight Loss Supplements vs Calorie Deficit: How Many Calories Do You Need to Burn to Lose a Kilogram?Rigorous comparison of the effectiveness of simple caloric deficit versus the most popular weight loss supplements, based on scientific literature. Synthesis of 10 meta-analyses and kinetic modeling by the NIH.
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