ME Problems and Solutions – Antioxidants Combat Oxidative Stress (A Reader's Response to Research) by Alison Hynd On reading Dr Neil Abbot's interesting account of his research on oxidative stress in ME/CFS (The Quarterly, Issue 19, page 22) in which he explained that circulating in the blood of ME/CFS patients are excessive numbers of highly reactive molecules known as "free radicals" which can cause damage to the cells of our bodies, and that there is an increased level of isoprostanes (a by-product of the oxidative process) which cause blood vessels to constrict and damage their endothelium (the single layer of cells which line the heart, blood vessels and lymphatic vessels), I thought it might be a good idea to find suitable antioxidant foods and over-the-counter medications to help ameliorate symptoms and prevent damage to the tissues as far as might be possible, as indeed he suggested at the end of the article. So, I started to do some homework and I should like, if I may, to share my findings with other readers, in the hope that they will be of some help. My trusty medical dictionary told me that "an antioxidant is a substance capable of neutralising oxygen free radicals, the highly active and damaging atoms and chemical groups produced by various disease processes, poisons, radiation, smoking, and other agencies. The body contains it's own natural antioxidants, but there is growing medical interest in the possibility of controlling cell and tissue damage by means of supplementary antioxidants…Evidence is accumulating that these substances can reduce the incidence of a number of serious diseases." (Oxford Concise Medical Dictionary) Bartram's Encyclopaedia of Herbal Medicine explained that, in addition to the above, antioxidants also protect the body against lipid peroxidation. Lipids are naturallyoccurring compounds; they are important dietary constituents, not only because of their high energy value, but also because certain vitamins and essential fatty acids are associated with them. Antioxidants help prevent oxidation damage to our DNA, and help us live longer! Vitamins A, C and E inhibit the production of free radicals. (A "radical" is a group of atoms which can combine in the same way as single atoms to make a molecule. "Free" means uncombined. A free radical is a state in which a radical can exist before it combines – an incomplete molecule containing oxygen which has an uneven electrical charge. In fact, it is an unstable molecular fragment that carries a minute negative electrical charge. It tries to lose this charge be passing on it's spare electron during collisions with other molecules and cell structures. This process is known as oxidation. Oxidation usually triggers a harmful chain reaction in which electrons are passed from one molecule to another with damaging results. Antioxidants neutralise the negative charge on a free radical before it can trigger a chain reaction. Both vegetable and animal tissues produce free radicals as a normal metabolic by-product.) Especially effective is beta-carotene, the precursor of Vitamin A. Vitamin E and selenium work together to prevent free radical damage to cell membrane. Antioxidants act favourably on glaucoma, Parkinson's disease and rheumatoid arthritis. They may also have an anti-tumour effect. Sources of Vitamin A Liver (calf, lamb, chicken), butter, margarine, milk, double cream, cream cheese, hard cheese, Greek yoghurt. Carrot, sweet potato, red chillies, red pepper, butternut-squash, parsley, spinach, watercress, spring green, broccoli, tomatoes. Mango, papaya, Canteloupe melon, apricots, apples, bananas, grapes, kiwi, oranges, peaches, strawberries. Sources of Vitamin C Apples, bananas, pineapple, grapes, rosehips, blueberries/bilberries, strawberries, raspberries, gooseberries, cherries, redcurrants, mango, papaya, kiwi, peaches, nectarines, melon, oranges, lemons, limes, grapefruit, pomegranate, cranberries. Red peppers, green peppers, spinach, spring greens, curly kale, spinach, watercress, brussels sprouts, savoy cabbage, red cabbage, broccoli, spring onions, green salad, courgette, broad beans, peas, tomatoes, sweetcorn, cauliflower, potato, sweet potato, garlic, sprouted alfalfa, kohl rabi. Sources of Vitamin E Sunflower oil, olive oil, safflower oil, palm oil, rapeseed oil, wheatgerm oil, soya oil, peanut oil, polyunsaturated margarine. Sesame seeds, sunflower seeds, hazelnuts, pine-nuts, almonds, peanuts, brazil nuts, walnuts, peanut butter, bombay mix. Tomatoes, avocado, spinach, broccoli, green leafy vegetables, apples, bananas, mango. Salmon, eggs, mayonnaise, butter, parmesan cheese, wheatgerm. Sources of Selenium Seafood, lobster, squid, red mullet, scallops, mussels, oysters, shrimps, crab, lemon sole, plaice, sardines, kipper, canned tuna. mackerel, cod, salmon, herring. Liver, kidney, pork fillet, chicken breast, cheddar cheese, eggs. Wholegrains, wholemeal bread, wheatgerm, sunflower seeds, brazil nuts, mixed nuts. Mushrooms, asparagus, onions, garlic, broccoli, cabbage, celery, radishes. Note: Selenium and Vitamin E work together to prevent free radical damage to cell membranes. Selenium is essential for cell growth and immune function. It is involved in the synthesis of hormone-like substances known as prostaglandins and thyroid hormones. It is important for immunity, stimulating the production of natural killer cells which fight viral and bacterial infections, as well as being involved in the production of antibodies. Selenium is a trace element and an essential component of the enzyme glutathione peroxidase, which catalyses the oxidation of glutathione by hydrogen peroxide. It thus has important antioxidant properties. Dietary deficiency of selenium results in cardiomyopathy. (Cardiomyopathy = any chronic disorder affecting the muscle of the heart. The cause is often unknown. It may result in enlargement of the heart, heart failure, arrhythmias and embolism.) Antioxidants are also available in the form of supplements Glutathione: a peptide containing the amino acids glutamic acid, cysteine and glycine which functions as a co-enzyme in several oxidation-reduction reactions. Super Oxide Dismutase: A dismutase enzyme is a biologically active enzyme complex present in most human cells, and capable of converting tissue-damaging free radicals into less harmful chemical substances. S.O.D. is derived from a natural wheat sprout extract from specially-cultured hypoallergenic wheat. It stimulates and supports the immune system, neutralises toxins and minimises tissue damage, protects oxygen levels in body cells and alleviates circulatory disorders. L-acetylcarnitine: L-acetylcarnitine is naturally present in the brain, and researchers have found that it mimics the actions of acetylcholine. In trials with Alzheimer's patients it was found to improve memory, cognition and behaviour. Alpha Lipoic Acid: Powerful antioxidant, chelation agent, radioprotective agent, glutathione production stimulant, normaliser of blood sugar levels, neurotonic and antiviral. It increases mental clarity and memory function. It acts as a co-enzyme, with B Vitamins, to our body's cells in utilising energy (glucose). Because ALA is so small, it can pass inside the cells, and protect both the inside and the outside from oxidative stress. It is used to boost energy levels and reduce chronic fatigue. It is also taken to help treat symptoms linked to nerve damage such as numbness or discomfort. Japanese Knotweed (Polygonum Cuspidatum): Antioxidant, source of Vitamin C, antiviral, antispirochaetal, antifungal, immunostimulant, immunomodulant, antiinflammatory, brain and spinal cord protectant, vasodilator, cardioprotective and inhibitor of platelet aggregration. Being used in Lyme disease and other neurological diseases. Can be used alongside Samento. (www.sourcenaturals.com available via practitioners eg. Herbalists) Pycnogenol (French Maritime Pine Bark): contains a rich blend of natural fruit acids and antioxidants. Co-enzyme Q10: a naturally-occurring antioxidant that is highly concentrated in the energy-intensive cells of the heart. It is a vital scavenger of electrons which prevents secondary free radical damage. Garlic: Cheap and effective. Antioxidant, antiviral, antibacterial and antiseptic. Lycpene: Best known as the red pigment in tomatoes. Grapeseed extract: Grape seeds are rich in linoleic acid. Selenium: Often prescribed as an antioxidant to detoxify the body against the poisonous metals of lead, cadmium and mercury. Blackcurrant oil: A rich source of gamma linoleic acid. Goji Berry Extract: A rich source of Vitamin C contains antioxidants, omega oils and carotenoids. Pomegranate: Rich in vitamins A, C + E – a potent antioxidant. Cranberry: Rich in Vitamin C Beta-carotene: Beta-carotene is found in carrots, highly coloured fruits and vegetables, and dark green leafy vegetables. Bilberry: Improves blood flow to the retina of the eye. Rosehips: Rich in Vitamin C. Ginko Biloba: The world's longest living tree species. Its leaves contain powerful antioxidants. It promotes circulation to the body's extremities including the brain. It may help memory, cognitive function, and circulatory disorders. Not to be taken along with Samento. Lutein: A natural antioxidant deposited in the retina of the eye, and especially so in the macula, a small area of the eye responsible for central vision. Royal Jelly: Contains vitamins A, B, C, D + E, 20 amino acids, potassium, calcium, zinc, iron and manganese. Vitamin C: Strengthens blood vessels, bones, gums and teeth. Vitamin E: Essential for healing, healthy red blood cells and nerves. Green Tea: Antioxidant. Can be used to help combat MRSA. Selenium +A+C+E: A good all-encompassing antioxidant. Nettle Tea: Nettle contains vitamins including C, serotonin, histamine, acetylcholine, iron, calcium and silicea. Milk Thistle: Milk Thistle is a herb whose seeds contain a unique and powerful mixture of antioxidant known as silymarin which helps to increase levels of an important liver enzyme, glutathione. Silymarin may help the liver metabolise oestrogen more efficiently to reduce symptoms of endometriosis. It is also helpful as a "detox" herb and is used in the treatment of skin conditions. Pycnogenol: French Maritime Pine Bark. It has a beneficial effect on circulation, reducing hardening and furring up of the arteries, thinning the blood, reducing clumping of clotting fragments (platelets) and reducing the risk of heart disease and stroke. It is used in peripheral vascular disease. This is a very powerful antioxidant. Supplements by Mail Order The Nutri Centre. Tel: 0207 436 5122. www.nutricentre.com (General advice and telephone appointments can be obtained from their qualified nutritionists free of charge. Healthspan. Tel: 0800 73 123 77. www.healthspan.co.uk Simply Supplements.Tel: 0800 1 955 755. www.simplysupplements.co.uk Tel: 0845 226 4813 customer services. Woods Supplements. Tel: 08451 66 77 88. www.woodshealth.com Tel: 08451 30 55 88 customer services Herbs by Mail Order G Baldwin & Co. Tel: 0207 703 5550 www.baldwins.co.uk Some herbs have strong antioxidant properties eg. dandelion, ginseng, goldenseal, irish moss, gotu kola, samento/cat's claw, Japanese Knotweed, garlic and milk thistle. Because these are used medicinally, please consult a qualified herbalist before using them. To find a herbalist in your area, please contact the National Institute of Medical Herbalists on Tel: 01392 426 022 Disclaimer: The above article is intended as information only. No responsibility will be accepted for any adverse reactions to the above products. Please consult a qualified health professional eg. doctor, nutritionist, herbalist, homeopath, to ensure that you are receiving the most appropriate supplement or herb for your condition. Bibliography 1. Oxford Concise Medical Dictionary pub. Oxford 2. The Essential Guide to Vitamins, Minerals Dr Sarah Brewer pub. Market Vision Ltd 3. Healing Lyme Stephen Harrod Buhner pub. Raven Press 4. Bartram's Encyclopaedia of Herbal Medicine Thomas Bartram pub. Robinson 5. Catalogue Information from Healthspan, Simply Supplements and Woods 6. The Vitamin & Mineral Counter Jody Vassallo pub. Murdoch Books Acknowledgements Thanks to Tesco's Nutritionists who gave me advice on the Vitamin content of six fruits.