Best adaptogens for your stress: which ones actually have evidence?
Ashwagandha, rhodiola and ginseng: human evidence, the limits of cortisol profiles, selection criteria and safety for testing without stacking.
Read the analysisSupplements
Identify supplements that are really worth your money: independent analyses covering studied doses, side effects and limits of the evidence, without marketing jargon.
Recent features
Supplement interactions: the genuinely dangerous combinations
St. John’s wort, 5-HTP, vitamin K, potassium, minerals and herbs: credible interactions, warning signs and a method for safer supplementation.
Creatine and the brain: what 16 trials say about memory and focus
Does creatine boost your brain? A small effect on memory, nothing reliable on focus, and a rejection from EFSA. Who might benefit, at what dose, and how to test it.
Fasting mimetics: do resveratrol, spermidine and fisetin work?
Resveratrol, spermidine and fisetin activate pathways associated with fasting, but do not reproduce its clinical effects. Human evidence, limitations and safety.