Nutrition at 61: Anaemia Is Not Just Part of Ageing

A low haemoglobin in an older adult is frequently shrugged off as part of getting older. It is not. Anaemia at 61 is a finding with a cause, and in about a third of cases that cause is nutritional — iron, B12 or folate — all of which are cheap to test and straightforward to correct. Another third is chronic disease, and the rest needs looking into.

Why this gets missed

Anaemia becomes more common with age, and because it is common it is often treated as normal. The distinction matters: common is not the same as normal, and large studies have found anaemia in older adults independently associated with reduced physical function, higher fall risk, longer hospital stays and poorer outcomes generally.

It also produces exactly the symptoms people attribute to ageing — tiredness, breathlessness on stairs, weakness, poor concentration, sometimes confusion. Which is precisely why it hides.

The useful stance at 61 is that a low haemoglobin is a question, not a conclusion.

The three broad causes

Within the nutritional group, the Indian picture has its own shape. B12 deficiency is common because the vitamin occurs almost exclusively in animal foods and a large share of the population is vegetarian, often lifelong. Folate deficiency is less common but occurs with poor diet variety. Iron deficiency is frequent, but in an older adult it raises a specific question.

That question is where the iron went. As nutrition at 34 sets out for men, iron deficiency without an obvious cause is a recognised reason to examine the gastrointestinal tract, because slow bleeding is a common explanation. The same applies to a post-menopausal woman, who no longer has menstrual losses to account for it.

What to ask for

The CRP line is a technical point with practical consequences. Ferritin is an acute-phase reactant, so inflammation raises it. An older adult with inflammation can have genuinely depleted iron stores and a ferritin reading that looks normal. If the clinical picture suggests iron deficiency and ferritin looks acceptable, that is worth discussing rather than accepting.

The size of the red cells on a full blood count is informative too: small cells point towards iron deficiency, large cells towards B12 or folate.

The B12 question specifically

Three things combine at this age to make B12 deficiency likely in Indians.

• A lifelong vegetarian diet provides very little B12, since it is almost exclusively found in animal foods.
• Stomach acid production declines with age, and acid is needed to release B12 bound to food protein.
• Long-term metformin impairs B12 absorption, as nutrition at 55 describes.

A vegetarian with type 2 diabetes on metformin for a decade has all three. That is an extremely common profile in urban India, and B12 testing in that person is not optional optimisation — it is basic care.

Treatment is straightforward and inexpensive, and supplemental B12 does not require stomach acid to be absorbed, which is why it works when dietary advice does not.

Food, and its limits

Two habits are worth changing regardless: separate tea and coffee from meals by an hour, since tannins substantially impair non-haem iron absorption, and add a vitamin C source to meals containing dal or greens.

But the honest limit is this: once stores are depleted, diet alone rarely refills them in a reasonable time. Repletion usually takes supplementation for months, and stopping when you feel better leaves the stores empty and the problem recurring.

The anaemia diet guide covers food in more depth, and nutrition at 63 deals with the weight change that often accompanies this.

Where KABO fits in

If a blood test shows anaemia, the answer is to find the cause and treat it. Iron repletion takes months of supplementation, B12 deficiency needs B12, and neither comes from a nutrition shake. This page is about getting tested, not about buying anything.

What food does contribute is the protein needed to build haemoglobin at all, and the broader intake that supports recovery. A KABO serving carries 23–25 g of complete plant protein with 60+ ingredients and 26 vitamins and minerals. Treat it as part of a day's food while your doctor treats the deficiency.

Frequently asked questions

Is anaemia normal in old age?

No. Anaemia becomes more common with age but ageing itself is not a cause - there is always a reason worth finding. It is independently associated with weakness, falls, confusion and poorer recovery, so a low haemoglobin at 61 is a question rather than a conclusion.

What causes anaemia in older adults?

Roughly a third is nutritional - iron, B12 or folate deficiency - and roughly a third is anaemia of chronic disease such as kidney disease or inflammation. The remainder stays unexplained after initial workup and warrants follow-up rather than being written off.

Why is B12 deficiency common in older Indians?

Three things combine: a lifelong vegetarian diet provides very little B12 since it occurs almost exclusively in animal foods, stomach acid declines with age and is needed to release B12 from food, and long-term metformin impairs absorption. A vegetarian diabetic on metformin has all three.

Can diet alone fix anaemia?

Rarely, once stores are depleted. Diet helps maintain levels and supports treatment, but repletion usually requires supplementation for months. Stopping as soon as you feel better is the common error, because it leaves stores empty and the problem returns.

Can ferritin be normal and iron still be low?

Yes. Ferritin rises with inflammation, so an older adult with any inflammatory condition can have genuinely depleted iron stores alongside a ferritin reading that appears acceptable. Checking CRP alongside ferritin helps interpret it.

Sources

• ICMR-NIN, Nutrient Requirements for Indians (RDA 2020) and Dietary Guidelines for Indians, 2024. nin.res.in
• ICMR-NIN, Indian Food Composition Tables. nin.res.in
• Guralnik JM et al., "Prevalence of anemia in persons 65 years and older in the United States", Blood, 2004;104(8):2263-2268.