Supplements and nutrients

Supplements

Useful guides for vitamins, minerals and supplements, written with careful health wording, food sources and sensible caveats.

Nutrient guides

Vitamins and minerals

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Vitamins & Minerals 9 min read

Benefits of Vitamin A

Vitamin A supports normal vision, immune function and healthy skin, with food sources including eggs, dairy, oily fish and colourful vegetables.

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Vitamins & Minerals 9 min read

Benefits of Vitamin C

Vitamin C helps protect cells, supports skin, blood vessels, bones and cartilage, and is found in many fruit and vegetables.

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Vitamins & Minerals 10 min read

Benefits of Vitamin D

Vitamin D helps regulate calcium and phosphate, supporting bones, teeth and muscles, with sources including sunlight, oily fish, eggs and fortified foods.

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Vitamins & Minerals 8 min read

Benefits of Vitamin E

Vitamin E helps maintain healthy skin and eyes and supports the immune system, with sources including plant oils, nuts, seeds and wheatgerm.

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Vitamins & Minerals 8 min read

Benefits of Vitamin K

Vitamin K is needed for normal blood clotting and may help support bone health, with sources including leafy green vegetables, vegetable oils and cereal grains.

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Vitamins & Minerals 9 min read

Benefits of Vitamin B6

Vitamin B6 supports energy use, normal nervous system function and haemoglobin formation, with sources including poultry, fish, potatoes, bananas and fortified cereals.

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Vitamins & Minerals 10 min read

Benefits of Vitamin B12

Vitamin B12 helps make red blood cells and supports the nervous system, with sources mainly from animal foods and fortified foods.

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Vitamins & Minerals 9 min read

Benefits of Folate

Folate helps form red blood cells and supports healthy development during pregnancy, with food sources including leafy greens, beans and fortified foods.

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Vitamins & Minerals 10 min read

Benefits of Iron

Iron is important for making red blood cells that carry oxygen, with sources including red meat, beans, nuts, dried fruit and fortified cereals.

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Vitamins & Minerals 10 min read

Benefits of Calcium

Calcium helps build bones and keep teeth healthy, supports muscle contractions and normal blood clotting, with sources including dairy, fortified soya drinks, kale and sardines.

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Vitamins & Minerals 9 min read

Benefits of Magnesium

Magnesium helps turn food into energy and supports glands important for bone health, with sources including spinach, nuts and wholemeal bread.

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Vitamins & Minerals 9 min read

Benefits of Zinc

Zinc helps make new cells and enzymes, process nutrients from food and support wound healing, with sources including meat, shellfish, dairy and grains.

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Vitamins & Minerals 9 min read

Benefits of Iodine

Iodine helps make thyroid hormones, supporting healthy metabolism, with sources including dairy, eggs, sea fish and shellfish.

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Vitamins & Minerals 9 min read

Benefits of Potassium

Potassium helps control fluid balance and supports normal heart muscle function, with sources including bananas, vegetables, beans, nuts, fish and meat.

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Vitamins & Minerals 8 min read

Benefits of Selenium

Selenium supports immune function, reproduction and protection of cells and tissues, with sources including Brazil nuts, fish, meat and eggs.

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Vitamins & Minerals 8 min read

Benefits of Vitamin B1

Vitamin B1, also called thiamine, helps the body release energy from food and supports normal nervous system function.

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Vitamins & Minerals 8 min read

Benefits of Vitamin B2

Vitamin B2, also called riboflavin, supports energy metabolism and helps keep skin, eyes and the nervous system healthy.

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Other supplement guides

Related supplements

Supplements 8 min read

Benefits of Lion’s Mane

Lion’s Mane is often discussed for focus and cognitive support, but evidence is still developing and quality varies between products.

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