Liquid vitamins and capsules trigger different side effects, from stomach upset to dosing mistakes. Here's what actually matters and how to avoid the pitfalls.

Nausea, copper depletion, immune dips: what a zinc and copper supplement really does to your body, how much is too much, and how to dose without side effects.

Considering magnesium for muscle cramps? Side effects can include loose stools, nausea, and rare toxicity. Here’s how dose, form, and health history matter.

Magnesium for sleep side effects, explained: loose stools, cramps, dizziness, drug interactions, and how to pick a form and dose that won't wreck your night.

Vitamin D3 and K2 benefits and side effects explained: how the pair supports your bones, teeth, and artery health, who should be cautious, and safe dosing.

A practical look at the best postnatal vitamins, side effects to watch for, and how to spot a formula that's more hype than help for sleep-deprived new mums.

A practical guide to the best prenatal vitamins, side effects to expect, and simple ways to ease nausea, constipation, morning sickness, and other complaints.

What vitamin B complex really does for energy, nerves and red blood cells, plus the side effects worth knowing, from the niacin flush to B6 nerve damage.

CoQ10 may ease statin muscle aches, support heart failure treatment and cut migraine days, but it has real side effects and drug interactions. Here's the evidence.

Potassium supplements can steady blood pressure and ease cramps, but they carry real risks. Here's what the evidence supports, what's hype, and who should skip them.