Vitamins & minerals
What vitamins and minerals do in the body, how much you need and how to choose a supplement.

Vitamins & minerals
Magnesium glycinate: what it is, what it’s good for and when to take it
Magnesium glycinate is magnesium bound to the amino acid glycine. What it’s good for, how it compares with citrate, how much to take and who should avoid it.
11 min read
Vitamins & mineralsTypes of magnesium: which form is best? Glycinate, citrate, malate and oxide compared
5 min read
Vitamins & mineralsHow much magnesium do you need per day – and can you have too much?
5 min read
Vitamins & mineralsWhen is the best time to take magnesium? Morning, night or with food
3 min read
Vitamins & mineralsMagnesium deficiency: symptoms, causes and who is at risk
5 min read
Vitamins & mineralsOmega-3 benefits: what is omega-3 actually good for?
7 min read
Vitamins & mineralsHow much omega-3 per day do adults need?
6 min read
Vitamins & mineralsWhen to take omega-3, and what are the side effects?
5 min read
Vitamins & mineralsIs cod liver oil the same as omega-3? Fish, krill and algae oil
6 min read
Vitamins & mineralsOmega-3 deficiency symptoms: what are the real signs?
4 min read
Vitamins & mineralsWhat does vitamin D do? A plain-English guide
7 min read
Vitamins & mineralsHow much vitamin D per day? UK guidance and safe limits
7 min read
Vitamins & mineralsVitamin D deficiency: symptoms, tests and who is at risk
6 min read
Vitamins & mineralsCan you take too much vitamin D? Limits, signs and risks
6 min read
Vitamins & mineralsVitamin D3 and K2: what they do and whether you need both
5 min read
Vitamins & mineralsSupplements for fatigue: which vitamins help with tiredness?
6 min read
Vitamins & mineralsVitamin B6: what it does, how much you need and safe limits
6 min read
Vitamins & mineralsWhat is biotin (vitamin B7) and what does it do?
8 min read
Vitamins & mineralsIron supplements: forms, doses and who may need them
7 min read
Vitamins & mineralsIron deficiency symptoms: signs, causes and who is at risk
6 min read
Vitamins & mineralsHow much iron per day? UK amounts for women and men
5 min read
Vitamins & mineralsWhen to take iron tablets: timing, food, coffee and tea
5 min read
Vitamins & mineralsIron tablets side effects and the risks of too much iron
5 min read
Vitamins & mineralsZinc and testosterone: does zinc increase testosterone?
5 min read
Vitamins & mineralsZinc deficiency symptoms and how much zinc you need a day
6 min read