Second Nature logo

US

Supplement reviews

Evidence-based reviews of popular weight loss supplements, analysing their ingredients, scientific claims, and real-world effectiveness. Our comprehensive guides examine products like berberine patches, fat burners, and trending supplements to help you make informed decisions about what works, what doesn't, and what's worth your money. Each review includes ingredient breakdowns, cost analysis, and evidence-based alternatives to help you navigate the complex world of weight loss supplements.

Make losing weight feel Second Nature

The first step on your Second Nature journey is to take our health quiz.

Hand holding phone

As seen on

The GuardianThe TimesChannel 4The Sunday TelegraphEvening StandardMetro