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 In Light Times     May, 2001
A Metaphysical, Spiritual, Holistic Publication
 

Key Nutrients In A Vegetarian Diet

By Toronto Vegetarian Assn.

Vegetarians can rest assured, plant based foods are loaded with nutrients including ample protein, iron and calcium.

Whether you eat a vegetarian or non-vegetarian diet, the key to health is simple. Include a wide variety of different foods in your diet - no one food source is nutritionally complete by itself. Vegetarians choose foods from grains, vegetables, legumes, nuts, seeds and fruits. Whole, unrefined foods are best. Eggs and dairy are optional. On a plant-based diet, you will have the distinct advantage of obtaining nutrients from sources high in fiber, and low in saturated fat and cholesterol. 

PROTEIN
It was once thought that foods had to be combined within a single meal to provide complete protein, but it is now clear, as stated by the American Dietetic Association, that conscious combining of plant foods at a given meal is not necessary. Most people can easily meet their protein needs by eating a variety of whole grains, legumes, and vegetables on a daily basis. Although there is somewhat less protein in a vegetarian diet, this is actually an advantage, as excess protein has been linked to heart disease, strokes, various cancers, kidney stones and osteoporosis. Foods high in protein include tofu, tempeh, TVP, beans, nuts, seeds, soymilk, eggs, cheese, yogurt, and dairy milk. 

IRON 
Only about one fifth of the iron in a standard diet comes from meat. Dairy products are deficient in iron. The richest plant sources are dark green vegetables, soy bean products and legumes, whole grains, dried fruits, nuts and seeds. Cooking with cast-iron pots also contributes to dietary intake. Adding foods rich in vitamin C to your meals, such as fruits and greens, enhances iron absorption. Foods that contain factors that decrease absorption include: tea, coffee, milk, cheese, spinach, rhubarb, Swiss chard, and chocolate.

CALCIUM 
Dairy products are high in calcium, but needs can also be met on a well-planned vegan diet (containing no animal-source foods). Rich plant food sources include dark green vegetables such as broccoli, bok choy and kale, beans, tofu (made with calcium), tahini, sesame seeds, almonds, figs, seaweeds, and fortified soymilks. Since the consumption of animal protein increases calcium requirements, a person following a vegan diet may have much lower needs. Although some plant foods contain oxalates and phytate which can inhibit calcium absorption, the calcium in plant foods is generally well absorbed.

VITAMIN D 
This vitamin is essential for the absorption of calcium and is formed in the presence of direct or indirect sunlight. Your body stores vitamin D during the summer for winter use. On average, about 10 to 15 minutes a day of sun on the face and hands for light-skinned people should suffice. Darker-skinned people, the elderly, and those at higher latitudes may need more sun exposure. Sunscreen lotion rated SPF 8 or above prevents vitamin D synthesis. Dairy products and some soymilks are fortified with vitamin D. People getting insufficient sun or not eating fortified foods should consider taking a daily multiple vitamin with 400 IU of vitamin D.

ZINC
Zinc is readily available in many plant foods - whole grains (breads, pasta, rice), wheat germ, tofu, tempeh, miso, legumes, sprouts, nuts and seeds - as well as eggs and dairy products.

VITAMIN B-12 
Vitamin B12 is produced by micro-organisms in the soil. In the past, root vegetables contained adequate amounts of B12. Today root vegetables are cleaned so well that all traces of B12 are removed. Meateaters acquire B12 through micro-organisms living in the animal flesh they eat. Lacto-ovo vegetarians receive B12 through eggs and dairy products. 

Obtaining enough B12 through a vegan diet is more challenging. Although cases of B12 deficiency are rare, it can cause pernicious anemia, a serious deficiency disease. Confirmed vegan sources include fortified soymilks, other fortified foods, vitamin pills, and Red Star nutritional yeast (T6635+). Red Star is available at many natural food stores. 

Other sources, which may prove reliable, are the surface bacteria on lightly washed organic vegetables, and bacterial activity in the small intestine, but these are not scientifically verified. Long-term studies of vegans have detected a very low rate of B12 deficiency. In fact, more meateaters than vegans suffer from this deficiency due to problems absorbing B12. The human body stores a 2-7 year supply of vitamin B12. It is especially important for women to ensure B12 intake when pregnant or breast feeding.

All other vitamins, minerals, fats, and carbohydrates are widely found in the plant kingdom. These nutrients can be easily obtained by maintaining variety in a plant food diet.

If you have difficulty adapting to a vegetarian diet it may be that your body needs a few months to adjust and detoxify. Try experimenting with a variety of different foods and cooking methods. If you have concerns about a nutrient deficiency, you can always have your blood tested, but rest assured that a varied vegetarian diet lacks no nutrients and is proven to be a powerful health promoting choice. Bon appetite!


Provided by Toronto Vegetarian Association  www.veg.ca  email TVA@veg.ca 

 

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