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“Let food be thy medicine, and medicine be thy food.”— Attributed to Hippocrates🌿“Leave your drugs in the chemist's pot if you can heal the patient with food.”— Attributed to Hippocrates🌿“The doctor of the future will give no medicine, but will instruct his patient in the care of the human frame, in diet and in the cause and prevention of disease.”— Thomas A. Edison🌿“No illness which can be treated by diet should be treated by any other means.”— Maimonides (commonly attributed)🌿“When diet is wrong, medicine is of no use; when diet is correct, medicine is of no need.”— Ayurvedic proverb🌿“Medicine and food share a common origin.”— Traditional Chinese medicine saying🌿“Food is medicine is not only an idea whose time has come; it is absolutely essential.”— Dr Dariush Mozaffarian🌿“Nature is the true healer. The physician is only nature's assistant.”— Attributed to Hippocrates🌿“All that man needs for health and healing has been provided in nature; the challenge of science is to find it.”— Attributed to Paracelsus🌿“Vitality and beauty are gifts of Nature for those who live according to its laws.”— Leonardo da Vinci🌿“The art of medicine consists in amusing the patient while nature cures the disease.”— Attributed to Voltaire🌿“An ounce of prevention is worth a pound of cure.”— Benjamin Franklin🌿“If we could give every individual the right amount of nourishment and exercise — not too little and not too much — we would have found the safest way to health.”— Attributed to Hippocrates🌿“Eating alone will not keep a man well; he must also take exercise.”— Hippocrates, On Regimen🌿“Health is created and lived by people within the settings of their everyday life.”— WHO Ottawa Charter for Health Promotion🌿“The good physician treats the disease; the great physician treats the patient who has the disease.”— Sir William Osler🌿“Health is a state of complete physical, mental and social well-being — not merely the absence of disease.”— WHO Constitution🌿“Tell me what you eat, and I will tell you what you are.”— Jean Anthelme Brillat-Savarin🌿“Eat food. Not too much. Mostly plants.”— Michael Pollan🌿“Do not eat anything your great-grandmother would not recognise as food.”— Michael Pollan🌿“Diet-related diseases produce crushing health and economic burdens.”— Dr Dariush Mozaffarian🌿“One of the first duties of the physician is to educate the masses not to take medicine.”— Sir William Osler🌿“Good food is a right, not a privilege.”— Alice Waters🌿“Let food be thy medicine, and medicine be thy food.”— Attributed to Hippocrates🌿“Leave your drugs in the chemist's pot if you can heal the patient with food.”— Attributed to Hippocrates🌿“The doctor of the future will give no medicine, but will instruct his patient in the care of the human frame, in diet and in the cause and prevention of disease.”— Thomas A. Edison🌿“No illness which can be treated by diet should be treated by any other means.”— Maimonides (commonly attributed)🌿“When diet is wrong, medicine is of no use; when diet is correct, medicine is of no need.”— Ayurvedic proverb🌿“Medicine and food share a common origin.”— Traditional Chinese medicine saying🌿“Food is medicine is not only an idea whose time has come; it is absolutely essential.”— Dr Dariush Mozaffarian🌿“Nature is the true healer. The physician is only nature's assistant.”— Attributed to Hippocrates🌿“All that man needs for health and healing has been provided in nature; the challenge of science is to find it.”— Attributed to Paracelsus🌿“Vitality and beauty are gifts of Nature for those who live according to its laws.”— Leonardo da Vinci🌿“The art of medicine consists in amusing the patient while nature cures the disease.”— Attributed to Voltaire🌿“An ounce of prevention is worth a pound of cure.”— Benjamin Franklin🌿“If we could give every individual the right amount of nourishment and exercise — not too little and not too much — we would have found the safest way to health.”— Attributed to Hippocrates🌿“Eating alone will not keep a man well; he must also take exercise.”— Hippocrates, On Regimen🌿“Health is created and lived by people within the settings of their everyday life.”— WHO Ottawa Charter for Health Promotion🌿“The good physician treats the disease; the great physician treats the patient who has the disease.”— Sir William Osler🌿“Health is a state of complete physical, mental and social well-being — not merely the absence of disease.”— WHO Constitution🌿“Tell me what you eat, and I will tell you what you are.”— Jean Anthelme Brillat-Savarin🌿“Eat food. Not too much. Mostly plants.”— Michael Pollan🌿“Do not eat anything your great-grandmother would not recognise as food.”— Michael Pollan🌿“Diet-related diseases produce crushing health and economic burdens.”— Dr Dariush Mozaffarian🌿“One of the first duties of the physician is to educate the masses not to take medicine.”— Sir William Osler🌿“Good food is a right, not a privilege.”— Alice Waters🌿
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Reading your body

🪞 Signs of Nutrient Deficiency You Can See in the Mirror

The body displays its shortfalls on the surface long before a report does. This atlas walks through ten visible signs, from pale inner eyelids to bleeding gums, explains what each is commonly associated with, checks a few popular myths, and shows how a sign should generate questions for your doctor rather than a self-made conclusion.

By the Farmicine editorial team·Reviewed for claims compliance·4 min read· 20s 30s 40s 50s
In this guideWhy are visible signs useful but never conclusive?What are the ten signs worth knowing?What should you do with a sign you notice?When to see a doctor

Before a lab draws blood, your body has usually been showing you something in the mirror for months. The signs of nutrient deficiency are visible in the eyelids, nails, mouth corners, hair and skin, and knowing them makes you a better observer of yourself. One caution runs through this whole atlas: a sign is a question, not an answer. Each one has several possible causes, some nutritional and some not, and the test that follows is what settles it.

Why are visible signs useful but never conclusive?

Skin, hair and nails grow fast and are fed last. When iron, protein, zinc or a vitamin runs short, the body quietly protects the heart and brain and lets the surface tissues show the strain. That is why these signs appear early. But the same surfaces also react to weather, washing, hormones, medicines and simple ageing, so no single sign points to one nutrient. Read the sign, note what else is going on, and let a blood test confirm or rule it out.

What are the ten signs worth knowing?

Pale inner eyelids and pale palm creases

Pull the lower eyelid down; the inside should be a healthy pinkish red. A pale, almost white conjunctiva is classically associated with anaemia, most often from low iron in Indian women, sometimes from low B12 or folate. Tiredness, breathlessness on stairs and cold hands often travel with it. The test is a CBC with ferritin.

Spoon-shaped or ridged nails

Nails that flatten or scoop like a spoon (koilonychia) are strongly associated with long-standing iron deficiency. Brittle, peeling nails are less specific: low protein, thyroid changes, frequent wet work and nail-polish remover all contribute.

Cracks at the corners of the mouth

Angular cheilitis, the sore red cracks at the lip corners, is associated with low riboflavin (B2), iron or B12, and in vegetarians a combination is common. It is also frequently just a fungal or bacterial irritation in someone who licks their lips or wears dentures, so it is worth a look from a doctor if it persists.

White spots on the nails: a myth check

These are almost never a calcium or zinc sign, despite what we were all told at school. The small white flecks (leukonychia) are usually from minor knocks to the nail bed weeks earlier and grow out on their own. Nail changes that involve the whole nail, or all nails at once, are the ones worth mentioning to a doctor.

Hair fall and thinning

Diffuse shedding is associated with low ferritin, low protein intake, thyroid changes, low vitamin D and zinc, and the hormonal shifts after childbirth or in perimenopause. A stressful illness or crash diet two to three months earlier often explains a sudden shed. Hair is a slow mirror; whatever caused the fall happened a season ago.

Trouble seeing in dim light

Difficulty adjusting when the lights go down is a classic sign associated with vitamin A shortfall. It is uncommon in adults eating a varied Indian diet with carrots, greens, pumpkin, papaya, eggs or ghee, but it appears with long-term fat malabsorption or very restricted eating. Any change in vision should be seen by an eye doctor.

Tingling or numbness in hands and feet

Pins and needles in a glove-and-stocking pattern are associated with B12 deficiency, especially in vegetarians, long-term antacid users and people with diabetes. High blood sugar, excess vitamin B6 from supplements and nerve pressure from posture are other common causes. This sign deserves a prompt test because nerve recovery is slower the longer it is left.

Night cramps and twitching

Calf cramps and eyelid twitches are associated with low magnesium, potassium or calcium, dehydration, low vitamin D and some medicines, including statins and diuretics. Bananas, pumpkin seeds, dal, curd and enough water through the day are the first food response.

Bleeding or swollen gums

Gums that bleed on brushing are usually about plaque and gum health, and a dentist comes first. Persistent bleeding with easy bruising is associated with low vitamin C in people who eat very little fresh fruit or vegetables. Amla, guava, citrus and capsicum are among the richest Indian sources.

Dry, rough or flaky skin

Dryness is associated with low omega-3 intake, an underactive thyroid, low vitamin D, dehydration and harsh soaps. Rough bumps on the backs of the arms are sometimes associated with vitamin A or essential-fat shortfall. Fatty fish, flax, walnuts, ghee in moderation and fewer hot-water showers are sensible first steps.

What should you do with a sign you notice?

Write it down with the date, note anything else that changed, and turn it into a question for your doctor: "I have pale eyelids and hair fall; could we check a CBC, ferritin, B12, vitamin D and thyroid?" That sentence gets more value from a consultation than any amount of self-study. Several signs point towards the Mitochondrial Dysfunction (B7) pattern, where iron, B12 and vitamin D shortfalls cluster, and the food-first responses in whole foods cover most of them. If you already have a report, the Bloodwork Reader can match what you see in the mirror with what the numbers say. Our guide to the complete blood count explains the test that follows most of these signs.

When to see a doctor

See a doctor promptly for numbness or tingling that is spreading or affecting balance, any change in vision, breathlessness or a racing heart with pallor, unexplained bruising or bleeding that does not stop, hair loss in patches rather than diffuse thinning, or mouth sores that last more than two weeks. Children, pregnant and breastfeeding women and anyone with a long-term illness should discuss any suspected deficiency with their doctor rather than self-supplementing. Signs generate questions; the diagnosis is your doctor's.

Related reading

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🩸 CBC Blood Test Explained: Haemoglobin, MCV, Platelets

The complete blood count is the most ordered test in India and the least explained. This guide walks through haemoglobin, red-cell size, RDW, platelets and white cells, shows how small versus large cells point to different nutritional stories, and explains the thalassaemia trait pattern every Indian family should know about.

Reading your body

🦋 Thyroid Test Results Explained: TSH, T4, T3, Anti-TPO

TSH, free T4, free T3 and anti-TPO each answer a different question about your thyroid. This plain-language guide explains the panel, the symptoms that go with an under- or over-active gland, the nutrients the thyroid depends on, the cooked-cabbage myth, and how to take levothyroxine so iron, calcium and coffee do not get in its way.

Reading your body

🧪 How to Read a Blood Test Report in India: Plain Guide

A routine Indian lab report is nine or ten short stories told in numbers. This guide explains what each panel measures, why reference ranges differ between labs, what the H and L flags really mean, and how to read a report in a calm, useful order before you meet your doctor.

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Mitochondrial Dysfunction (B7)Whole foodsFarmicine Bloodwork Reader

Frequently asked

Do white spots on nails mean calcium deficiency?

Almost never. The small white flecks usually come from minor knocks to the nail weeks earlier and grow out on their own. Changes that affect the whole nail or every nail are the ones to mention to a doctor.

What deficiency causes cracks at the corners of the mouth?

Angular cheilitis is associated with low riboflavin (B2), iron or B12, and is common in vegetarians. It can also be a simple fungal or bacterial irritation, so a persistent case should be seen by a doctor.

Which blood tests should I ask for if I have hair fall?

A CBC with ferritin, vitamin D, B12, and a thyroid panel cover the most common nutritional associations. Your doctor may add zinc or hormonal tests depending on your history.

Is tingling in the feet always B12 deficiency?

No. It is associated with B12 deficiency, but also with high blood sugar, excess B6 from supplements and nerve compression. It deserves a prompt test because nerve recovery is slower the longer the cause is left.

This guide is wellness education, not medical advice, and does not replace a consultation with your doctor. Farmicine products are food supplements that support structure and function; they are not intended to diagnose, treat, cure or prevent any disease.