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Small ceramic bowl of white creatine powder with a metal measuring scoop and a glass of water on a pale stone countertop

Guides 10 min read

Creatine Monohydrate: The Evidence-Based Guide (2026)

How much creatine to take for your weight, whether to load, and what research says about water weight, hair loss, kidneys, the brain and pricier forms.

Nutrition Reviews Editorial Team · Sep 28, 2026

Glasses of plain and lightly tinted water on a wooden table beside a small bowl of sea salt, a halved lemon and a banana.

Guides 10 min read

Electrolytes 101: Sodium, Potassium, and When You Actually Need Them

Most people don't need electrolyte powders, but some do. Learn how much sodium you lose in sweat, how oral rehydration works, and when a high-sodium mix makes sense.

Nutrition Reviews Editorial Team · Sep 28, 2026

Overhead view of protein-rich foods including eggs, yogurt, lentils, tofu, salmon, chicken, almonds and edamame in ceramic dishes on a wooden table

Guides 10 min read

How Much Protein Do You Really Need? A Practical Guide by Goal

From the 0.8 g/kg RDA to the new 1.2–1.6 g/kg guideline: daily protein targets by goal, grams by body weight, per-meal timing, and advice for aging, dieting and vegans.

Nutrition Reviews Editorial Team · Sep 28, 2026

An amber supplement bottle with a blank label next to a magnifying glass, capsules and a notebook on a wooden table in soft daylight

Guides 12 min read

How to Read a Supplement Facts Label Like an Expert

Serving sizes, %DV vs. upper limits, ingredient forms, proprietary blends and claims: a step-by-step method for reading any Supplement Facts panel with confidence.

Nutrition Reviews Editorial Team · Sep 28, 2026

Bowl of plain yogurt, a jar of sauerkraut and a few clear capsules on a light linen tablecloth

Guides 10 min read

Probiotics Explained: Strains, CFUs, and What the Evidence Actually Supports

Probiotic benefits depend on the exact strain and dose. How to read strain names and CFU claims, where the evidence is solid or mixed, and who should skip them.

Nutrition Reviews Editorial Team · Sep 28, 2026

Bedside table at dusk with a glass of water, a small dish of plain capsules and a softly glowing lamp

Guides 11 min read

Sleep Supplements Ranked by Evidence: Melatonin, Magnesium, Glycine and More

Which sleep supplements actually work? We rank melatonin, magnesium, L-theanine, glycine, valerian and tart cherry by evidence, with doses, timing and child safety.

Nutrition Reviews Editorial Team · Sep 28, 2026