Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Eyesight, growth, appetite and taste. | Night-blindness | 800 mg | Liver, cod liver oil, carrots, green leafy vegetables, egg yolks, enriched margarine, milk products and yellow fruits. | This vitamin is fat-soluble and so is stored in the body for a long time, especially in pregnancy. An overdose may be dangerous. | Fatty acids |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Nervous system, digestion, muscles, heart, alcohol-damaged nerve tissues. | Tingling in fingers and toes, confusion, difficulties in maintaining balance, loss of appetite, exhaustion and weakened powers of concentration. | 1.4mg | Liver, yeast, egg yolk, cereal, red meat,nuts and wheatgerm. | No danger. It dissolves in water, so any excess is passed in urine. | High temperatures, alcohol and coffee. |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Growth, skin, nails, hair, sensitive lips and tongue, eyesight, the breakdown of protein, fat and carbohydrates. | Itchy irritated eyes, itchy mucous membranes (nose, mouth, throat) and cracked corners of lips. | 1.6mg | Milk, liver, yeast, cheese, green leafy vegetables, fish. | No danger. It dissolves in water, so any excess is passed in urine. | Alcohol and light (this is why milk-cartons are better than bottles). |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Preventing skin conditions, nerve problems, helps the body absorb protein and carbohydrate. | Skin inflammation | 2mg – women taking the contraceptive pill may need more. | Fish, bananas, chicken, pork, wholegrains and dried beans. | May cause nerve problems in large doses. Evidence is conflicting about the maximum safe dose, so get medical advice before exceeding the RDA. | The contraceptive pill, roasted or boiled food, alcohol and oestrogen (the female hormone). |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Making red blood and the formation of the nerves. | Tiredness and fatigue, tingling and numbness in hands/feet, memory problems and anaemia. | 1mg | Eggs, shellfish, poultry, meat,liver, milk, cheese and fortified cereal. | No danger. It dissolves in water, so any excess is passed in urine. | Water, sunlight, alcohol, oestrogen and sleeping pills |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Immune defence system, protection from viruses and bacteria, healing wounds, reducing cholesterol, cell lifespan and preventing scurvy. | Tiredness, bleeding gums and slow-healing wounds. | 60mg | Citrus fruits, kiwi fruit, berries, tomatoes, cauliflower, potatoes, green leafy vegetables and peppers. | Large doses can cause diarrhoea and nausea nausea, eg 2g/day . Some scientists have argued that 1000-5000mg per day may damage your DNA. | Boiling food, light, smoking and heat. |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Strong bones and teeth. | Unhealthy teeth, osteomalacia (causes weakening of bones), rickets in children. | 5mg | Sunlight (the action of sunlight on the skin allows our bodies to manufacture vitamin D), cod liver oil, sardines, herring, salmon, tuna, milk and milk products. | This vitamin is fat-soluble so can accumulate in the body. Overdoses are dangerous, but there is wide variability in the toxic level, eg 400IU for children. | Mineral oil. |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Fighting toxins – vitamin E is a powerful antioxidant. | Weak muscles and fertility problems. | 10mg | Nuts, soya beans, vegetable oil, broccoli, sprouts, spinach, wholemeal products and eggs. | Potential effect with warfarin increasing risk of bleeding, more than 400IU/day can increase risk of heart failure and death in long term illness. | Heat, oxygen, frost, iron and chlorine. |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Production of red blood cells. It is essential in the first three months of pregnancy to prevent birth defects such as spina bifida, cleft palate or cleft lip. | Tiredness due to anaemia and red tongue. | 200mg. Women planning to conceive should take a daily supplement of 400mcg, continued for the first 12 weeks of pregnancy. | Carrots, yeast, liver, egg, yolks, melon, apricots, pumpkin, avocado, beans, rye and wholewheat and green leafy vegetables. | No danger. It dissolves in water, so any excess is passed in urine. | Water, sunlight and heat. |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Strong bones and teeth, nerve function, muscle contraction, blood clotting. | Poor teeth and brittle bones. | 800mg | Milk, cheese, butter, yoghurt and green leafy vegetables. | High doses can lead to headaches, stomach pain, high blood pressure and diarrhoea. Excess calcium can be deposited as kidney and gall bladder stones. It has been linked to an increased risk for heart attack in recent research. |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Red blood cells and muscle function, white blood cells and the immune system. | Tiredness, irritability, difficulties concentrating. | 14mg | Lean red meat, oily fish, egg yolks, green leafy vegetables, nuts, wholegrains and wholewheat. | Iron is stored in the body and high doses (over 17mg) can lead to constipation, vomiting, nausea and diarrhoea. Very high doses can be fatal. |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Converting energy from food, cell repair, building strong bones, teeth and muscles and regulating body temperature. | Muscle spasms, and has been associated with heart disease, diabetes, high blood pressure and weak bones. | 300mg | Green leafy vegetables, wholegrains and nuts. | High doses can cause diarrhoea. |
Good For |
Signs of deficiency |
RDA |
Good sources |
Poisoning |
Destroyed by |
| Immune system, the breakdown of protein, fat and carbohydrate. | Lesions on skin, eyes and in throat, loss of taste and smell, hair loss, diarrhoea, slow healing of wounds and growth problems in children. | 15mg | Meat, shellfish, milk brown rice and wholegrains. | High doses can lead to stomach cramps, nausea and vomiting, 100mg a day is the current advised maximum daily limit |
| Food | GI |
| Roasted and salted peanuts | 14 |
| Low-fat yoghurt with sweetener | 14 |
| Cherries | 22 |
| Grapefruit | 25 |
| Pearl barley | 25 |
| Red lentils | 26 |
| Whole milk | 27 |
| Dried apricots | 31 |
| Butter beans | 31 |
| Fettucine pasta | 32 |
| Skimmed milk | 32 |
| Low-fat fruit yoghurt | 33 |
| Wholemeal spaghetti | 37 |
| Apples | 38 |
| Pears | 38 |
| Tomato soup, canned | 38 |
| Apple juice, unsweetened | 40 |
| Noodles | 40 |
| White spaghetti | 41 |
| All Bran | 42 |
| Chick peas, canned | 42 |
| Peaches | 42 |
| Porridge made with water | 42 |
| Lentil soup | 44 |
| Oranges | 44 |
| Macaroni | 45 |
| Green grapes | 46 |
| Orange juice | 46 |
| Peas | 48 |
| Baked beans in tomato sauce | 48 |
| Carrots, boiled | 49 |
| Milk chocolate | 49 |
| Kiwi fruit | 52 |
| Stoneground wholemeal bread | 53 |
| Crisps | 54 |
| Special K | 54 |
| Banana | 55 |
| Raw oatbran | 55 |
| Sweetcorn | 55 |
| Muesli, non toasted | 56 |
| Boiled potatoes | 56 |
| Sultanas | 56 |
| Pitta bread | 57 |
| Basmati Rice | 58 |
| Honey | 58 |
| Digestive biscuit | 59 |
| Cheese and tomato pizza | 60 |
| Ice cream | 61 |
| New potatoes | 62 |
| Coca cola | 63 |
| Apricots, canned in syrup | 64 |
| Raisins | 64 |
| Shortbread biscuit | 64 |
| Couscous | 65 |
| Rye bread | 65 |
| Pineapple, fresh | 66 |
| Cantaloupe melon | 67 |
| Croissant | 67 |
| Shredded wheat | 67 |
| Mars bar | 68 |
| Ryvita | 69 |
| Crumpet, toasted | 69 |
| Weetabix | 69 |
| Wholemeal bread | 69 |
Mashed potato |
70 |
| White bread | 70 |
| Watermelon | 72 |
| Swede | 72 |
| Bagel | 72 |
| Branflakes | 74 |
| Cheerios | 74 |
| French fries | 75 |
| Coco Pops | 77 |
| Jelly beans | 80 |
| Rice cakes | 82 |
| Rice Krispies | 82 |
| Cornflakes | 84 |
| Jacket potato | 85 |
| Puffed wheat | 89 |
| Baguette | 95 |
| Parsnips, boiled | 97 |
| White rice, steamed | 98 |