Supplement evidence guide
St John’s wort: does it help depression, and is it safe?
What trials found, why products differ and which medicine interactions matter.
5 min read
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Plant, mushroom & other supplements
Explore products, evidence and safety questions for specific plants and mushrooms.
Plant, mushroom & other supplements
Explore products, evidence and safety questions for specific plants and mushrooms.
Supplement evidence guide
Ashwagandha for stress and sleep: benefits and risks
What short trials suggest, why extracts differ and what is known about interactions and liver injury.
5 min read
Supplement evidence guide
Berberine: weight loss, blood sugar and safety
What human studies show, what remains uncertain and why berberine is not interchangeable with a prescribed medicine.
3 min read
Supplement evidence guide
Turmeric and curcumin: benefits and risks
What a knee-pain trial found, why formulations differ and what regulators say about liver injury.
4 min read
Nutrition evidence guide
Lion’s mane: does it improve memory or focus?
What small human trials of Hericium erinaceus found, and where brain-health claims go beyond the evidence.
4 min read