Brenda Khan
Vegetarian diets are associated with a number of health benefits, including improved cholesterol levels, lower LDL cholesterol, and a higher intake of important nutrients like fiber, vitamin C, vitamin E, and magnesium. However, poorly planned vegetarian diets may increase the risk of nutritional deficiencies. It is important for vegetarians to ensure they are getting essential nutrients from other sources. Nutrients that vegetarians should focus on include protein, calcium, iron, iodine, and vitamin B12. This can be achieved by including a variety of fruits, vegetables, whole grains, protein sources, and fortified foods in their diet.
Nutrients that vegetarians should add to their diet
| Characteristics | Values |
|---|---|
| Protein | Eggs, nuts, peanut butter, seeds, grains, legumes, tofu, soymilk, rice and beans, corn and beans |
| Calcium | Dairy products, calcium-fortified plant-based milk, green leafy vegetables, calcium-set tofu, bread |
| Iron | Beans, broccoli, raisins, wheat, tofu, vitamin C-rich foods like citrus fruits, bell peppers, and tomatoes |
| Vitamin B12 | Dairy products, eggs |
| Vitamin D | Dairy products (fortified with vitamin D), sunlight, supplements |
| Omega-3 fatty acids | Oily fish, fruits and vegetables, lower saturated fat, less salt |
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What You'll Learn
- Calcium: dairy, green leafy vegetables, calcium-set tofu, and bread
- Iron: beans, broccoli, raisins, wheat, tofu, and vitamin C-rich foods
- Protein: eggs, nuts, seeds, legumes, grains, and soy products
- Vitamin B12: eggs, dairy, and supplements
- Omega-3 fatty acids: fruits, vegetables, and plant-based sources
Calcium: dairy, green leafy vegetables, calcium-set tofu, and bread
Calcium is a crucial mineral for maintaining bone health, muscle function, and more. Most of it is stored in bones and teeth, but small amounts are present in blood and tissues. Dairy products are one of the most common sources of calcium, but several plant-based sources are also rich in calcium.
Green leafy vegetables like kale, spinach, collard greens, and broccoli are excellent sources of calcium. Kale, in particular, has more calcium per serving than milk, with 177 milligrams per cup. Bok Choy, also known as Chinese cabbage, is another leafy green option with about 74 milligrams of calcium per cup.
Calcium-set tofu is another great option for vegetarians. Tofu made with calcium sulfate can contain up to 683 mg of calcium per 3.5 ounces (100 grams).
Bread can also contribute to calcium intake. In the UK, white and brown breads are fortified with calcium by law. Soya and linseed bread, fortified with extra calcium, are also available and can be a good source of calcium for vegetarians.
Fortified plant-based milk, such as soy milk, is another way to ensure adequate calcium intake. Soy milk often contains similar protein levels to cow's milk and can be a good alternative.
In addition to these specific food items, almonds, dried figs, oranges, and beans are also calcium-rich foods that can enhance a vegetarian diet.
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Iron: beans, broccoli, raisins, wheat, tofu, and vitamin C-rich foods
Iron is an essential nutrient for the human body. It helps prevent anaemia and protects the body from infection. Vegetarian sources of iron include legumes, beans, nuts, seeds, and certain vegetables.
Some beans, such as kidney beans, soybeans, and lima beans, are particularly good sources of iron, with 4.5-5.2 milligrams of iron per cup. Beans are also a good source of protein and fibre, as well as other essential minerals and plant compounds. They are versatile and can be added to many dishes, including tacos, chilli, soups, and salads.
Broccoli is another iron-rich food, and it also contains vitamin C, which helps with the absorption of iron. Eating broccoli with other iron-rich foods can help increase the amount of iron absorbed by the body.
Raisins are a good source of iron, especially when paired with other iron-rich foods. For example, wheat biscuits topped with shelled hemp seeds and accompanied by a small glass of orange juice can help with iron absorption.
Wheat is found in many iron-rich foods, including whole-wheat bread, fortified wheat biscuits, and wheat products such as bran cereals and enriched pasta. Fortified whole-grain wheat cereals contain about 16.2 mg of iron per standard serving.
Tofu is a bean curd that is made by coagulating the milk from soybeans. It is a good source of iron, with 6.6 milligrams of iron per half-cup. It is also a good source of protein and contains other essential nutrients such as fibre, manganese, and magnesium.
Vitamin C-rich foods, such as citrus fruits, strawberries, tomatoes, and bell peppers, can help increase the absorption of non-heme iron. Eating vitamin C-rich foods with iron-rich plant foods can help ensure that the body absorbs enough iron.
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Protein: eggs, nuts, seeds, legumes, grains, and soy products
A vegetarian diet can be a healthy choice, but careful planning is required to ensure you get all the essential nutrients your body needs. One of the most important nutrients to consider is protein, which is found in both plant and animal foods. Protein is essential for keeping your skin, bones, muscles, and organs healthy.
If you are an ovo-vegetarian, eggs are an excellent source of protein. For vegans, there are still plenty of protein-rich options to choose from, including nuts, peanut butter, seeds, grains, and legumes. Soy products such as tofu and soy milk are also good sources of protein for those avoiding all animal products.
It is important to note that protein is made up of small parts called amino acids, which are crucial for your metabolism. A "complete protein" contains all the amino acids your body needs and can be obtained by eating certain foods together. For example, combining rice and beans or corn and beans will provide you with complete protein.
In addition to protein, vegetarians should also focus on including a variety of other nutrients in their diet. Calcium, for example, is abundant in dairy products, but vegans can obtain it from soybeans, almonds, and plant-based sources like green leafy vegetables and calcium-set tofu. Iron is another critical nutrient, and vegetarians can get it from beans, broccoli, raisins, wheat, and tofu. Finally, vitamin B12 is commonly found in animal-based foods, so vegetarians, especially vegans, may need to pay extra attention to ensuring adequate intake.
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Vitamin B12: eggs, dairy, and supplements
Vitamin B12 is an essential nutrient for the human body and is found in all foods of animal origin. This includes eggs and dairy products, which are usually included in a vegetarian diet. Vitamin B12 is crucial for the proper functioning of the body and has several health benefits. It is important for the production of red blood cells, which help carry oxygen throughout the body. A deficiency in vitamin B12 can lead to serious health issues, including fatigue, weakness, anaemia, and even nerve damage in severe cases.
For ovo-vegetarians, eggs are a great source of vitamin B12. Eggs are versatile and can be included in various dishes, making it easier to meet the daily requirements of vitamin B12. Dairy products, such as milk, cheese, and yoghurt, are also rich sources of vitamin B12. These dairy options provide a good amount of protein, calcium, and vitamins, making them a nutritious addition to a vegetarian diet.
However, vegans, who exclude all animal products from their diet, need to be cautious about their vitamin B12 intake. Without eggs and dairy, vegans may need to rely on supplements to ensure adequate vitamin B12 levels. Vitamin B12 supplements are widely available and can help prevent any potential deficiencies. It is always recommended to consult a healthcare professional before starting any new supplement to ensure it is suitable for your individual needs.
Additionally, while rare, there are some plant-based sources of vitamin B12. For example, nutritional yeast, which has a cheesy flavour and is often used in vegan cooking, can provide a significant amount of vitamin B12. Certain mushrooms, especially shiitake and button mushrooms, also contain small amounts of vitamin B12. Fortified foods, such as breakfast cereals and plant-based milk alternatives, are another option for vegetarians and vegans to boost their vitamin B12 intake.
In conclusion, vitamin B12 is a crucial nutrient for vegetarians to focus on, especially for those following a vegan lifestyle. While eggs and dairy are excellent sources for ovo-vegetarians and lacto-vegetarians, vegans may need to rely on supplements or plant-based sources to meet their vitamin B12 requirements. A well-planned and balanced vegetarian diet, with careful consideration of vitamin B12 sources, can help ensure optimal health and nutrition.
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Omega-3 fatty acids: fruits, vegetables, and plant-based sources
Omega-3 fatty acids are important fats that provide many health benefits. They are healthy fats that you must include in your diet as they play various important roles in your body. Omega-3 fatty acids are known to reduce inflammation, decrease blood triglycerides, and reduce the risk of dementia.
The most well-known sources of omega-3 fatty acids are fish oil and fatty fish such as salmon, trout, tuna, mackerel, and sardines. This can make it challenging for vegetarians to meet their omega-3 fatty acid needs. Of the three main types of omega-3 fatty acids, plant foods typically contain only alpha-linolenic acid (ALA). ALA is not as active in the body and must be converted to two other forms of omega-3 fatty acids — eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) — to bestow the same health benefits.
Vegetarians can get their omega-3 fatty acids from plant-based sources such as chia seeds, flaxseeds, hemp seeds, and algae oil. Seaweed, nori, spirulina, and chlorella are different forms of algae that many people eat for their health benefits. They are also good sources of omega-3 for vegetarians.
To meet your omega-3 needs, you can include a tablespoon of plant-rich omega-3 foods (ground flaxseed, chia seeds, or hemp seeds) in your daily diet. Chia seeds, for example, are known for their many health benefits, providing a good amount of fibre and protein in each serving. They are also a great plant-based source of ALA omega-3 fatty acids. Similarly, hemp seeds are a good source of omega-3s and can be sprinkled on top of yogurt or mixed into a smoothie.
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Frequently asked questions
A vegetarian diet is one that does not include meat, and often, fish. There are several variations of vegetarianism, including the flexitarian diet, which includes meat, fish, or poultry on an occasional basis. Lacto-ovo vegetarians, the most common type, eat eggs and dairy, but no meat, poultry, or fish. Vegans, on the other hand, do not consume any animal products, including eggs and dairy.
Vegetarians are at risk of missing out on several nutrients that are typically found in meat products. These include protein, calcium, iron, iodine, and vitamin B12.
Pulses, including beans, peas, and lentils, are a low-fat source of protein. Eggs are another great source of protein for ovo-vegetarians. Vegans can get protein from nuts, peanut butter, seeds, grains, legumes, and soy products like tofu and soy milk.
Dairy products are the primary source of calcium for most people. Vegetarians who eat dairy will likely be getting enough calcium from milk, cheese, and yoghurt. Vegans can get calcium from soybeans, almonds, green leafy vegetables, calcium-set tofu, and bread.
Vitamin B12 is found in all foods of animal origin, so vegetarians who eat eggs and dairy will likely be getting enough vitamin B12. Vegans, however, may need to consider taking a supplement.
