Health topics
What the NHS and UK professional bodies advise about supplements, topic by topic, with the price per dose of what they advise.
Every source is a health body, a professional body, a health charity or a reference site written by doctors, and none of them sells supplements. Each topic links to its sources to read in full. None of it is medical advice.
Everyday health
Bones
What the NHS, NICE and the Royal Osteoporosis Society advise on vitamin D and calcium, and the evidence on vitamin K2, magnesium, boron and collagen, with prices per dose.
8 supplements · 18 sources
Joints
What the NHS, NICE, Arthritis UK and the British Dietetic Association say about the evidence on glucosamine, chondroitin, fish oil, turmeric and collagen.
8 supplements · 16 sources
Sleep
What the NHS, NICE and the Royal College of Psychiatrists say about melatonin, valerian, magnesium and other supplements sold for sleep.
10 supplements · 16 sources
Sport and exercise
What the British Dietetic Association, UK Anti-Doping and the Food Standards Agency say about protein, sports drinks, caffeine and other supplements sold for exercise.
9 supplements · 7 sources
Heart and circulation
What the British Heart Foundation, HEART UK and NICE say about fish oil, CoQ10, garlic, plant sterols, red yeast rice and other supplements sold for the heart.
9 supplements · 16 sources
Colds and flu
What the NHS, NICE and other health bodies say about the evidence on vitamin C, zinc, echinacea, elderberry, garlic and vitamin D for colds and flu.
7 supplements · 12 sources
Tiredness
What the NHS and NICE say about tiredness, iron, vitamin B12, vitamin D and caffeine, when to see a GP, and the evidence on ginseng and rhodiola.
7 supplements · 12 sources
Brain and memory
What the NHS, Alzheimer's Research UK and the Royal College of Psychiatrists say about ginkgo, omega-3, B vitamins and other supplements sold for memory.
7 supplements · 11 sources
Stress and mood
What the NHS, NICE, Mind and the Royal College of Psychiatrists say about St John's wort, ashwagandha, omega-3 and other supplements sold for stress and mood.
9 supplements · 19 sources
Digestion
What the NHS, NICE, the British Dietetic Association and Guts UK say about probiotics, fibre supplements, peppermint oil and other supplements for digestion.
7 supplements · 16 sources
Skin, hair and nails
What the NHS, NICE and the British Association of Dermatologists say about biotin, collagen, zinc, iron and other supplements sold for skin, hair and nails.
5 supplements · 12 sources
Eyes
What the NHS, NICE, RNIB and the Royal College of Ophthalmologists say about the evidence on eye supplements, from lutein and the AREDS2 formula to bilberry.
6 supplements · 12 sources
Blood sugar and diabetes
What Diabetes UK, the NHS, NICE and the MHRA say about chromium, cinnamon, berberine and other supplements sold for blood sugar, and about vitamin B12 with metformin.
10 supplements · 16 sources
Liver
What the NHS, NICE and Liver UK say about milk thistle, omega-3, turmeric, green tea extract and vitamin E, and which supplements have been linked to liver damage.
5 supplements · 14 sources
Bladder and prostate
What the NHS, NICE and urologists say about cranberry, D-mannose, saw palmetto and other supplements sold for the bladder and prostate.
5 supplements · 12 sources
Women’s health
Menopause
What the NHS, NICE and the British Menopause Society advise about vitamin D, calcium and herbal remedies around the menopause, with prices per dose.
7 supplements · 15 sources
Pregnancy and trying for a baby
What the NHS, NICE and the RCOG advise on folic acid, vitamin D and what to avoid, from trying for a baby to breastfeeding, with prices per dose.
6 supplements · 14 sources
Periods and iron
What the NHS and NICE advise about iron when periods are heavy, how much is safe to take, and what to check first, with prices per dose.
1 supplement · 7 sources
PMS (premenstrual syndrome)
What the NHS, NICE and the National Association for Premenstrual Syndromes say about the evidence on vitamin B6, calcium, magnesium and herbal remedies.
7 supplements · 6 sources
Life stages
Babies and children
What the NHS, NICE and the Royal College of Paediatrics and Child Health advise on vitamin drops, vitamin D amounts and upper limits for babies and children.
7 supplements · 17 sources
Over 65s
What NICE, the NHS and the British Dietetic Association advise for people over 65 on vitamin D, calcium, vitamin B12 and fish liver oil, with prices per dose.
6 supplements · 17 sources
Getting started
New to supplements
The supplements UK health bodies advise, who each is for, and what it costs per dose.
5 supplements · 11 sources
Vegetarian and vegan diets
What the NHS and the British Dietetic Association advise about vitamin B12, vitamin D, iodine and omega-3 on a plant-based diet, with prices per dose.
4 supplements · 11 sources