Supplements: what the evidence actually supports
Most supplement content online is written to sell something. These pages are not. Each one separates what is well supported, what is plausible but unproven, and what is marketing — and links the sources so you can check.
What supplement labels are allowed to claim in New Zealand
What a dietary supplement sold in New Zealand may say on its label — nutrition content claims, health claims, and the therapeutic line that turns it into a medicine.
Checked 27 Aug 2026 · 3 sources