Start Your Journey

Vitamins and Natural Sources: A Guide to Proper Absorption

Ayurveda Wellness Expert Dr Girish ShirkeJanuary 30, 20269 min

Medically reviewed by Dr Girish Shirke, M.D. (Ayurved)September 5, 2026

# Vitamins and Natural Sources: A Guide to Proper Absorption

Do you wonder why you are constantly tired, even though you get enough sleep? Or why your skin lacks radiance despite a handful of expensive creams? Often, the answer lies in our small biological heroes – vitamins.

Think of your body as a perfectly crafted machine. Like any complex mechanism, it won't function without the right "lubricants" that keep it moving. Approaches to health vary: some follow rigorous diets, while others start their morning with a handful of synthetic tablets.

Illustration of essential Vitamins and natural sources represented through stylized icons for vitamins A, B, C, D, E, and K

While we are all aware that "we need vitamins," few truly know where to find them, exactly how much they need, and most importantly – how we unconsciously destroy them while cooking.

In this guide, we will look at the most important vitamins, their "enemies," and how Ayurveda offers a more efficient solution for their replenishment.

The Alphabet of Health: A Detailed Overview of Vitamins

1. Vitamin A: Guardian of Vision and Youth

Wooden table set with healthy food, fish, eggs, spinach, and citrus fruits which are rich Vitamins and natural sources for strong immunity

This vitamin is a powerful antioxidant that bravely fights against free radicals. From my experience, it is one of the most frequently neglected, yet its role is crucial.

  • Main benefits: It is essential for "eagle eyes" (especially night vision), contributes to glowing and youthful skin, healthy and thick hair, strong nails, and sturdy bones. It truly is comprehensive!

  • Best natural sources: Besides the well-known carrots (which are rich in beta-carotene, a precursor to vitamin A), it is found in cottage cheese, eggs, whole milk, fish, beef liver, citrus fruits, and spinach.

  • Recommended daily dose: Usually ranges from 0.4 to 1 mg.

  • Enemy of Vitamin A: High temperatures. Be careful, frying or long-term canning can drastically reduce its concentration in food.

2. Vitamin B1 (Thiamine): Energy for the Brain

Display of nuts, grains, pork, and brewer's yeast which are important Vitamins and natural sources of B-complex

If you often feel mentally exhausted, it is quite possible you are lacking B1. This vitamin is a true energy manager for the body.

  • Main benefits: For a sharp mind and better concentration, efficient digestion, strong muscles, and support for the cardiovascular system – Thiamine is irreplaceable.

  • Best natural sources: Nuts, buckwheat, wheatgrass, legumes, brewer's yeast, and pork. I think brewer's yeast is a wonderful addition for everyone!

  • Recommended daily dose: From 1.3 to 2.6 mg.

  • Enemy of Vitamin B1: Long-term cooking and adding salt during thermal processing. And yes, drinking coffee during a meal blocks its absorption, which is surprising to many!

3. Vitamin B2 (Riboflavin): Cell Regenerator

Healthy breakfast with cottage cheese, boiled eggs, mushrooms, and buckwheat, illustrating various Vitamins and natural sources for cell regeneration

B2 is often underrated, but its role in cell regeneration is extremely important.

  • Main benefits: It is key to eye health, accelerates the regeneration of damaged cells, and helps maintain muscle tone.

  • Best natural sources: Almonds, cottage cheese, eggs, milk, mushrooms, buckwheat, and meat. For vegetarians, almonds and mushrooms are an excellent option.

  • Recommended daily dose: From 1.3 to 3 mg.

  • Enemy of Vitamin B2: Light! Therefore, store foods rich in B2 (like milk) in opaque containers, as light is its great enemy.

4. Vitamin B5 (Pantothenic Acid): Anti-stress Vitamin

Nutritiously rich meal with chicken, black caviar, egg yolk, and broccoli as an example of essential Vitamins and natural sources

In today's fast-paced life, B5 is a true treasure.

  • Main benefits: Provides a calm mind, excellent memory, helps in recovery from illness, and strengthens blood vessels. Who wouldn't want more of this?

  • Best natural sources: Egg yolk, dairy products, caviar, oatmeal, chicken, broccoli, rice, and nuts.

  • Recommended daily dose: Around 5 mg.

  • Enemy of Vitamin B5: Freezing, especially repeated freezing and thawing of food, can destroy this vitamin.

5. Vitamin B6 (Pyridoxine): Metabolism Engine

Diverse diet with bananas, salmon, walnuts, whole grains, and red cabbage offering an abundance of Vitamins and natural sources

Pyridoxine is like a small engine that drives our metabolism.

  • Main benefits: Keeps the nervous system healthy, prevents cramps, adds energy, and strengthens blood vessels.

  • Best natural sources: Bananas, walnuts, whole grains, cabbage, salmon, meat, and wheat germ. I think bananas are one of the easiest ways to get B6.

  • Recommended daily dose: Recommended from 1.6 to 2 mg.

  • Enemy of Vitamin B6: Direct sunlight. Therefore, store these foods in a dark and cool place to preserve this important vitamin.

6. Vitamin B12 (Cobalamin): Foundation of Blood and Nerves

Rich table with red meat, fresh oysters, liver, and dairy products which are powerful Vitamins and natural sources of B12

This vitamin is often lacking in vegetarians if they don't pay attention to their diet, and its importance is immense.

  • Main benefits: Contributes to efficient memory, strong immunity, a healthy digestive tract, and is key to preventing anemia.

  • Best natural sources: Meat, liver, fish, seafood (like oysters), eggs, cheese. For vegans, algae and fortified products are good alternatives.

  • Recommended daily dose: From 2 to 5 mg.

  • Enemy of Vitamin B12: Light and long-term exposure to air can reduce its effect.

7. Vitamin C: King of Immunity

Fresh fruits and vegetables including kiwi, peppers, broccoli, and sea buckthorn as the best Vitamins and natural sources of Vitamin C

Vitamin C is probably the most famous vitamin, and rightly so – its role is crucial for general health.

  • Main benefits: Keeps the skin healthy and elastic (stimulates collagen production), builds strong immunity, contributes to healthy gums, and yes, even influences a positive mood!

  • Best natural sources: Kiwi, citrus fruits (lemon, orange), peppers, broccoli, sea buckthorn, rosehip, and parsley are true treasuries of vitamin C. Personally, I always prefer to ingest it through fresh fruit.

  • Recommended daily dose: Around 70 mg (smokers need more).

  • Enemy of Vitamin C: Oxygen and heat. Vitamin C is thermolabile – cooking, especially long-term, destroys it almost completely. Therefore, eat fruits and vegetables fresh whenever possible!

8. Vitamin D: The Sunshine Vitamin

Artistic illustration of the sun which is key for Vitamin D synthesis, complementing other Vitamins and natural sources in the body

It is often called the "sunshine vitamin" and not without reason. Vitamin D deficiency has become a true epidemic in the modern world.

  • Main benefits: Key for strong bones (binds calcium), helps fight depression, supports hormonal balance and cardiovascular health. Its role goes far beyond just bones.

  • Best natural sources: The best source is sunlight (synthesis through the skin). In food, we find it in butter, egg yolk, sea fish, cottage cheese, and liver.

  • Recommended daily dose: From 2 to 5 mg (or according to a doctor's recommendation after a blood test).

  • Enemy of Vitamin D: Cooking in an alkaline environment (for example, by adding baking soda) and frying at high temperatures can destroy it.

9. Vitamin E: Vitamin of Fertility

Cold-pressed oils, pumpkin seeds, butter, and almonds which are rich in Vitamin E, shown as important Vitamins and natural sources for vitality

Vitamin E, also known as the fertility vitamin, is a powerful protector of our cells.

  • Main benefits: It is a powerful antioxidant, protects the reproductive system, rejuvenates the skin, and gives vitality. A true fountain of youth, I would say.

  • Best natural sources: Cold-pressed oils (olive, sunflower), pumpkin seeds, almonds, walnuts, and butter.

  • Recommended daily dose: From 30 to 50 mg.

  • Enemy of Vitamin E: Rancidity (oxidation) of fats and long-term storage (canning) greatly reduce its effect.

10. Vitamin K: Protector of the Blood

Green vegetables including nettle, cabbage, and broccoli which are essential K Vitamins and natural sources for blood clotting

Vitamin K is often overlooked, but its role in blood health is crucial.

  • Main benefits: Necessary for blood clotting (coagulation), helps with fast wound healing, and contributes to healthy bones.

  • Best natural sources: Nettle, spinach, cabbage, broccoli, algae, green tea, and tomatoes. I especially want to emphasize that green leafy vegetables are true champions in this regard.

  • Recommended daily dose: From 1 to 2 mg.

  • Enemy of Vitamin K: Long-term thermal processing and exposure to daylight.

The Approach: Why Synthetics Aren't Enough?

In the modern world, our food is often poor in nutrients, partly due to depleted soil and excessive use of pesticides. Therefore, many logically reach for synthetic vitamins. But Ayurveda teaches us something fundamental: "You are not what you eat, but what you digest and absorb."

Synthetic vitamins, unfortunately, often have low bioavailability. This means the body does not recognize them as natural and simply excretes them without utilizing them fully.

Natural supplements (Giloy, Brahmi Chyawanprash, and Amalaki Rasayan) photographed in nature as the best concentrated Vitamins and natural sources

How Helps in Vitamin Replenishment?

We at deeply believe in the power of nature in its purest form (through standardized extracts), which the body easily recognizes and fully utilizes. Here are some of our top products that are true natural "vitamin bombs":

  • Amalaki Rasayan (Best source of Vitamin C): Unlike laboratory-derived ascorbic acid in tablets, Amalaki (also known as Indian gooseberry) is the richest natural source of vitamin C in the world. Believe me, this is not just marketing; Amalaki also contains tannins that help vitamin C stay in the body for a longer time, strengthening immunity and rejuvenating cells, and it is even thermally stable.

  • Brahmi Chyawanprash (Ayurvedic "Multivitamin" for body and mind): This is an ancient formula, a kind of jam, which besides Amla (rich in Vitamin C), contains dozens of other medicinal herbs. Known as the "elixir of life," this product not only provides a wide spectrum of phytonutrients and vitamins but also improves memory, energy, and strengthens the body's resistance – a true elixir for overall health.

  • Kumari Saar (Aloe Vera - A Treasury of Vitamins): Pure Aloe Vera juice is one of the rare plant sources that naturally contains Vitamin B12, which is quite surprising. Besides B12, it abounds in vitamins A, C, E, and folic acid. Kumari Saar helps in blood detoxification, improves digestion (which is, to repeat, key for the absorption of all other vitamins), and hydrates the skin from within, giving it a natural glow.

  • Giloy (Guduchi - Root of Immortality): This herb is a powerful immunomodulator. Although not a classic "vitamin," Giloy is essential for maintaining a strong immune system, especially in virus seasons, and helps the body fight infections more efficiently, acting synergistically with a healthy diet. I consider this a key supplement for modern immunity challenges.

Conclusion

At the end of the day, health doesn't come from a single pill, but from the wise use of what nature offers us. Pay attention to how you prepare food to preserve its precious ingredients. And if you need additional support, choose natural, 100% organic supplements – they work in synergy with your body, not against it. Personally, I believe this is the path to true balance and vitality.

Literature and Scientific Research Used:

This text is based on scientific knowledge of nutrition and Ayurvedic medicine. Below you can see the sources for detailed verification:

1. General information on vitamins and recommended doses:

2. Impact of cooking and temperature on vitamins:

3. Scientific research on Ayurvedic herbs (ingredients):

Available in the US

Products in this area of wellness

Traditionally used in the areas this article covers. They are not treatments for any condition, and nothing here is a recommendation for you specifically.

Disclosure: some links below are affiliate links. If you buy through them, AyurvedaGrid may earn a commission at no extra cost to you, and those products are listed first. Which products are relevant at all comes from the topic of the article — nothing here is a recommendation for you specifically.

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Speak to your own healthcare provider before starting a supplement, particularly if you are pregnant, nursing, or taking medication.

Your Ayurvedic overview

Curious about your own constitution?

Take the free guided assessment and receive your personal Ayurvedic overview — about ten minutes, private to your account.

Start Your Journey