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Health supplements are increasingly marketed as an easy way to fill nutritional gaps, improve energy and support overall wellness. However, nutritionist Nmami Agarwal says that not every supplement is necessary for everyone, and some products may offer little value when a person’s diet already meets their nutritional needs.

Not Every Health Supplement Is Necessary

From multivitamins and protein powders to collagen, probiotics and “detox” products, the supplement market offers a wide range of options. But the decision to take a supplement should ideally be based on an individual’s diet, lifestyle, age, health status and, where appropriate, medical testing.

According to nutritionist Nmami, blindly adding supplements to a daily routine can mean spending money on products that may not address an actual nutritional need. A supplement can be useful when there is a documented deficiency, increased nutritional requirement or a healthcare professional recommends it for a specific reason.

Why More Supplements Don’t Always Mean Better Health

Supplements are designed to complement the diet, not replace a balanced eating pattern. Foods provide a combination of vitamins, minerals, protein, fibre and other beneficial compounds that a single supplement may not provide.

For someone eating a varied diet, taking multiple overlapping supplements can also result in unnecessary intake of certain nutrients. Some vitamins and minerals can accumulate in the body or cause adverse effects when consumed in excessive amounts.

Which Supplements May Actually Be Useful?

The right supplement depends on the person. Some commonly used supplements can have a legitimate role when there is a nutritional gap or a specific indication.

• Vitamin D: Supplementation may be recommended when blood levels are low or when a healthcare professional identifies a risk of deficiency.
• Vitamin B12: People following strict vegetarian or vegan diets may be at greater risk of inadequate B12 intake and may need supplementation depending on their diet and blood levels.
• Iron: Iron supplements can be important for people with iron deficiency or iron-deficiency anaemia, but they should not be taken routinely without appropriate evaluation.
• Calcium: Supplementation may be considered when dietary calcium intake is inadequate or when a healthcare professional identifies a specific need.
• Protein supplements: Protein powders can be convenient for people who struggle to meet their protein requirements through food, but they are not automatically necessary for everyone.

Supplements That Can Become “Expensive Hype”

The biggest issue is not necessarily that every supplement is useless. Rather, some products are promoted with broad promises that go beyond the available evidence.

Products marketed as quick fixes for weight loss, detoxification, anti-ageing, instant energy or dramatically improved immunity should be approached carefully. Marketing claims should not be confused with established health benefits.

Similarly, taking several products simply because they are popular on social media does not mean they are appropriate for an individual’s nutritional needs.

Food Should Come First

A practical approach is to first examine the overall diet. A balanced eating pattern can include vegetables, fruits, whole grains, pulses, nuts and seeds, dairy or suitable alternatives, and adequate sources of protein.

Regular meals, sufficient hydration, good sleep and physical activity are also important components of overall health. Supplements cannot compensate for a consistently poor diet or an inactive lifestyle.

Check Before You Start a Supplement

Before buying a supplement, consider why you need it. If the reason is fatigue, hair loss, frequent illness or another persistent symptom, taking a random multivitamin may simply mask the underlying issue.

A doctor or qualified nutrition professional can help determine whether dietary changes, testing or supplementation is appropriate. People taking medicines should also check for possible supplement-drug interactions.

How to Choose a Health Supplement

1. Identify the need: Ask whether there is a documented deficiency or a genuine dietary gap.
2. Check the ingredients: Look at the amount of each nutrient instead of relying only on marketing claims.
3. Avoid unnecessary combinations: Multiple products may contain the same vitamins or minerals.
4. Be cautious with exaggerated claims: “Detox,” “instant results” and similar promises deserve scrutiny.
5. Consider your medicines and health conditions: Some supplements can interact with medicines or may not be suitable for certain people.
6. Choose quality-tested products: Prefer products from reputable manufacturers and check labelling and regulatory information applicable in your country.

The Bottom Line

Health supplements can be useful tools when they address a genuine nutritional requirement, but taking them simply because they are trending may not provide meaningful benefits. Nutritionist Nmami’s warning highlights an important point: the most expensive supplement is not necessarily the one your body needs.

A balanced diet should generally form the foundation of nutrition, while supplements should be considered when there is a specific need or professional recommendation.

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Disclaimer: This article is for general informational purposes only and does not replace personalised medical or nutritional advice. Supplement requirements vary between individuals. Consult a qualified healthcare professional before starting supplements, particularly if you have a medical condition, are pregnant, or take prescription medicines.