Supplements: Evidence-Based Guides

Evidence-graded supplement guides: melatonin, L-theanine and more. 3 evidence-based guides, each written in plain English with UK context and real citations.

Supplements

L-theanine: the evidence for calm focus and sleep

L-theanine for calm focus, stress and sleep: the honest evidence, the alpha-wave mechanism, the caffeine combination, doses of 100 to 200 mg and safety.

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Melatonin for sleep: the evidence, dosing and the UK rules

Melatonin is a timing hormone, not a sleeping pill: the real evidence for jet lag, body-clock disorders and insomnia, plus the key UK prescription rules.

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NAC (N-acetylcysteine): the evidence, from antidote to supplement

NAC is a glutathione precursor and licensed UK medicine. The real evidence for paracetamol overdose, COPD, OCD and the weaker fertility and detox claims.

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