Health Consumer

Nutrition

What to eat, what to skip, and what the research actually says.

Illustration of an open suitcase on a bed at night with a small blank bottle lying on the clothes

Melatonin in New Zealand: why the rules are different here

In the United States melatonin sits on supermarket shelves. In New Zealand it is a medicine, the rules only began loosening in 2025, and the approvals are built for short-term use. Here is where things stand, and why older people should take the most care.

5 min read

Illustration of a calm bedroom at night with a figure asleep wearing warm socks and a window open a crack

Glycine: the amino acid that turns down your thermostat at night

The smallest amino acid in the body has a curious evening party trick: it nudges your core temperature in the direction sleep wants it to go.

2 min read

Illustration of a person at a kitchen table at night reading the back panel of a supplement bottle under a lamp

How to read a sleep supplement label in New Zealand

Five things to check on the back of the bottle before you care about anything on the front: serving size, mineral forms, extract ratios, named doses, and the warnings box.

3 min read

Illustration of two identical blank supplement bottles side by side on a wooden pharmacy shelf

Magnesium glycinate: why the form on the label matters

Oxide, citrate, glycinate: the word after 'magnesium' decides how much of the mineral you absorb and how your stomach feels about it. Here is how to read it.

3 min read

Illustration of a person at dusk in a pharmacy considering a tall shelf of blank supplement bottles

What's the best sleep supplement in New Zealand? An honest guide

There is no single best sleep supplement. There is a best-known ingredient for each kind of bad night, and the useful skill is matching them. A guide for New Zealand shoppers.

5 min read

Illustration of a turmeric root cut open showing its golden interior beside a pile of black peppercorns

Why turmeric works better with black pepper

Curcumin is famously hard for the body to absorb. A compound in ordinary black pepper changes that, and the pairing holds a lesson for anyone who reads supplement labels.

2 min read

Illustration of turmeric roots beside a heap of amber resin beads with a gnarled tree on a dry hillside behind

Curcumin and boswellia: why the two keep sharing a capsule

One comes from a root, the other from a tree's resin. The two extracts keep sharing a capsule because they cover different ground.

2 min read

Illustration of two smooth stones held apart by a glossy translucent blue cushion

Glucosamine and chondroitin: partners in your cartilage first

A builder and a cushioner: the two ingredients on almost every joint label were partners in your cartilage before they were partners on a label.

2 min read

Illustration of a halved orange with segments unravelling into braided rope fibres that weave into a lattice

Vitamin C's quiet day job in your joints

The winter vitamin has a year-round day job: without it, your body cannot build collagen, the protein that holds joints, tendons and skin together.

2 min read

Illustration of a moonlit bedside table holding a stone, a metallic nugget and a small amber crystal beneath the large shadow of dried herbs

Magnesium, zinc and vitamin B6: the minerals behind a good night

Herbs get the headlines on sleep formula labels. The quiet mineral trio near the bottom of the list supplies the raw materials.

2 min read

Illustration of a moonlit garden with pale pink valerian flowers and a climbing passionflower bloom

Valerian and passionflower: two herbs with a long evening tradition

Two plants from opposite hemispheres, used at the same hour of the day for centuries. History arranged this pairing long before formulators did.

2 min read

Illustration of a steaming cup of green tea on a windowsill at dusk

L-theanine: why a cup of green tea feels calm

Green tea has caffeine, yet nobody mistakes it for coffee. The difference is an amino acid found almost nowhere else in nature.

2 min read