by admin | November 24, 2020 8:43 am
Most discussions around the human diet revolve around Protein, Carbohydrates and Healthy fats. These form the bulk of our dietary needs, which is why they are called macronutrients. However, in addition to these, a smaller yet significant part of our dietary needs are met by an entire class of ingredients called micronutrients. This comprises vitamins, minerals, amino acids, fatty acids, enzymes and coenzymes.
Micronutrients are important for our body as they perform or regulate various metabolic functions. Vitamins[1] help resist infections, keep the nervous system healthy, produce and release energy from food. They help your blood to clot properly, build proteins and cells, make collagen, build bones, protect vision, interact favourably with each other and protect the body overall.
While some micronutrients are synthesized by the body, most of them are not. Further, they deplete or degrade when stored inside the body for long, which is why they must be replenished regularly through the food we consume.
Calcium: Critical for bone and teeth health; present in dairy products, meat eaten with bones, green leafy vegetables and foods fortified with calcium.
Vitamin C: Plays a vital role in immune system function, and as an antioxidant, it helps fight free radicals that cause aging of cells. Present in citrus fruits, grapefruit, cherries, kale, red pepper etc.
Omega-3: Regulates health of the circulatory system, brain function and mood. Present in oily fish, fish oil, algal oil, hemp seeds etc.
Vitamin D – Vital for bone and colon health, Vitamin D[2] is synthesized by the body when you get exposed to sunlight. Present in fatty fish, broccoli, cereals and egg yolks.
Iron: Iron is the carrier of oxygen throughout the body and this is what imparts the red colour to blood. Iron deficiency or anaemia can cause autoimmune disorders like lupus. Present in spinach, amaranth, beetroot, beans, clams and liver.
Potassium: Similar to calcium and magnesium, potassium is an electrolyte that helps regulate fluid balance and keep the body well-hydrated. It also helps regulate blood pressure. Not present in meat and found in farm produce like bananas, citrus, and spinach.
Vitamin A: Also known as a carotenoid, Vitamin A helps fight chronic diseases and is good for the eyesight. Present in yellow-orange vegetables and fruits such as carrots, pumpkin, cantaloupe and squash. Also found in broccoli and meat, especially liver.
Vitamin E: An important antioxidant, Vitamin E helps fight the damage caused by free radicals and in turn boosts the immune function. Found in green leafy vegetables, nuts, seeds and their oils.
Vitamin K: A class of compounds, most important of which are K1 and K2. These help in clotting of blood which prevents excessive bleeding. Found in green leafy vegetables, cauliflower, broccoli, brussels sprouts, cabbage, cereals, eggs, fish, liver and red meat.
Co-Q10 or Ubiquinol: This is a co-enzyme that helps increase blood oxygenation and fight free radicals by virtue of being an antioxidant. Present in cauliflower, peanuts, broccoli, spinach, legumes, shellfish, beef and liver.
Fluoride: A compound of Fluorine, this strengthens bones and fights tooth decay (hence used in toothpastes).
Zinc This boosts the immune response, aid in blood clotting and perceptions of taste and smell.
Copper: This is required for synthesizing haemoglobin, which carries oxygen in the blood. It is also required in synthesizing various enzymes that perform different roles including regulation of iron metabolism.
Vitamin B is not a single vitamin but a family of 8 vitamins, each with a clear role to play.
Magnesium
In addition to being an electrolyte like calcium and potassium, magnesium is an important mineral as it plays various roles in the human body. This includes:
Magnesium can be consumed as a supplement but it’s naturally found in brown rice, legumes such as lentils, split peas, tofu; beans such as black, kidney, edamame; nuts such as almonds, cashews, Brazil nuts; seeds such as sunflower, sesame; pumpkin, buckwheat and whole grain cereals, dark green vegetables such as spinach and seafood.
Micronutrients are indispensable for good health and when consumed in the right proportion, they can help prevent conditions such as scurvy, blindness, rickets, weak bones, weak teeth and birth defects of the brain and spine. Given the wide range of vitamins and micronutrients required by the body, it’s important to have a balanced diet.
With age, the body’s ability to synthesize or absorb micronutrients from food reduces. So, in recent years, you would have noticed friends and family consuming vitamin supplements or multivitamin pills. Most of them are easily available as over-the-counter drugs, so people tend to indulge in them recklessly. But this can be very dangerous. Please note, micronutrients are required in small amounts. No more, no less.
Consuming excess of these can cause various complications, and further some of these micronutrients interact unfavourably with each other. Even excess sodium in your diet that comes from salty snacks can leach calcium out of your body making your bones weak.
A doctor is always the best qualified person to guide you in this matter. Consult a reputed hospital for your annual health check-up. Once you have the results, consult a dietician or nutritionist[6] at the hospital. He/she will evaluate your and your family medical history, your diet-style (vegan/vegetarian/non-vegetarian) and then recommend the right supplements with the right dosage. Rest-assured, these supplements combined with exercise and a balanced diet will ensure good health for the rest of your life.
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