Weight Gain Medicine and Supplements in India: What Actually Works

By Hafsaa Farooq, Consultant Dietitian, Clearcals | Updated: May 2026

The vast majority of underweight individuals — including those with a BMI below 18.5 — do not need any medicine or supplement to gain weight.

A consistent calorie surplus from whole foods, combined with resistance training, is sufficient for almost everyone. Supplements are useful when they help you hit targets you would otherwise miss — not because they have magical properties that whole foods lack.

That said, supplements and medicines do have a genuine role in specific situations: when calorie needs are so high that food volume alone makes eating painful, when medical conditions are driving underweight and require pharmacological correction, or when protein needs consistently exceed what diet alone can comfortably deliver.

This guide covers everything available in India — from protein powders to Ayurvedic preparations to commonly prescribed medicines — and explains what evidence supports each one.

Protein Powder for Weight Gain: Which One to Choose

Protein powder is the most widely used weight gain supplement and one of the few with robust clinical evidence. It is not magic — it is concentrated food protein — but it is convenient and effective when used correctly.

Whey protein concentrate: The most practical choice for most people. Whey is derived from milk during cheese production, contains all essential amino acids, and has the highest leucine content of any protein source — leucine being the key amino acid that triggers muscle protein synthesis. Whey concentrate (80% protein) is less expensive than isolate, contains some fat and lactose (which adds a small amount of calories), and mixes well in milk or smoothies. Recommended dose: 20–30g protein per serving, once daily, ideally post-workout or as part of a high-calorie smoothie.

Whey protein isolate: More processed to remove fat and lactose (>90% protein content). Useful for lactose-intolerant individuals. Higher cost per gram of protein with no additional benefit for weight gain over concentrate in healthy individuals.

Mass gainers (weight gain powder): Mass gainers contain 50–80% carbohydrates alongside protein, with 600–1,200 calories per serving. The appeal is obvious: one serving dramatically boosts daily calorie intake. The downside is that most mass gainer carbohydrates come from maltodextrin — a rapidly digesting, high-glycaemic simple starch with no nutritional value beyond calories. For people who genuinely cannot eat enough food to hit their calorie surplus, mass gainers fill the gap effectively. For everyone else, home-made weight gain shakes using whole milk, banana, oats, and peanut butter provide the same calories with far superior nutritional value.

Nutrela (Reliance): A soya-based protein powder widely available in Indian markets. Contains approximately 52g of protein per 100g and is significantly more affordable than whey. Soya protein is a complete protein, and evidence supports its effectiveness for muscle protein synthesis, though slightly less so than whey on a gram-for-gram basis due to lower leucine content. A practical option for vegetarians who cannot tolerate dairy.

Protinex: A hydrolysed protein supplement marketed in India, available in several flavours. Contains ~25–30g of protein per 100g alongside carbohydrates and vitamins. Suitable for general protein supplementation and frequently recommended by doctors for malnourished patients. Not specifically optimised for weight gain or muscle building, but useful for improving overall protein intake in people eating a protein-deficient diet.

Weight Gain Tablets, Capsules, and Syrups: What the Evidence Says

Weight gain tablets and capsules: Most over-the-counter weight gain tablets available in Indian pharmacies contain a combination of vitamins (particularly B-complex vitamins), zinc, and sometimes cyproheptadine (an antihistamine with appetite-stimulating side effects) or digestive enzymes. B-complex vitamins support energy metabolism and appetite, and correcting genuine B12 or B6 deficiency can improve appetite and energy levels in deficient individuals. They will not cause weight gain in well-nourished people.

Cyproheptadine-containing preparations: Cyproheptadine is an antihistamine that stimulates appetite as a side effect. Some weight gain preparations contain it. It works — it does increase appetite and food intake — but it is a sedating antihistamine with side effects including drowsiness, dry mouth, and dizziness. It is not appropriate for self-medication; it should only be used under medical supervision, typically for severely underweight patients where appetite stimulation is clinically necessary.

Zincovit syrup and similar: Vitamin and mineral syrups containing zinc, B12, and B-complex vitamins. Correcting a zinc deficiency can improve appetite (zinc deficiency is a recognised cause of taste disturbance and appetite loss). However, supplementing zinc without a confirmed deficiency provides no benefit for weight gain. These syrups are generally safe but often unnecessary in people eating a varied diet.

Keraglo Eva and similar: Primarily marketed for hair and skin but contains biotin, B-complex, and amino acids. No specific evidence for weight gain.

Amyron syrup: An Ayurvedic tonic containing botanical extracts traditionally used as an appetiser and general tonic. No rigorous clinical trials support its efficacy for weight gain specifically.

Ayurvedic Medicine for Weight Gain

Several Ayurvedic preparations have evidence of varying quality for supporting healthy weight gain:

Ashwagandha (Withania somnifera): The most studied Ayurvedic herb for body composition. A 2015 RCT published in the Journal of the International Society of Sports Nutrition found that 300mg ashwagandha root extract twice daily for 8 weeks produced significantly greater gains in muscle strength and recovery compared to placebo in resistance-trained men. It is an adaptogen that reduces cortisol — high cortisol is a primary driver of muscle breakdown and poor weight gain in stressed, underweight individuals. Ashwagandha is not a direct weight gain herb, but its cortisol-lowering effect makes it a meaningful adjunct for people who are thin due to chronic stress. Standard dose: 300–600mg KSM-66 or Sensoril extract daily.

Shatavari (Asparagus racemosus): A rejuvenating Ayurvedic herb particularly recommended for underweight women. Preliminary evidence supports mild appetite enhancement and nutritive effects. Commonly available as churna (powder) mixed with warm milk and jaggery, itself a calorie-adding traditional preparation.

Chyawanprash: A classical Ayurvedic formulation of amla (Indian gooseberry) and approximately 40 herbs. High in vitamin C, antioxidants, and adaptogenic compounds. One tablespoon in warm milk daily is a traditional nutritive tonic. It adds roughly 60–80 calories per serving from ghee and sugar, which is a meaningful daily contribution.

Brahmi (Bacopa monnieri): Primarily nootropic, but its stress-reducing and sleep-improving properties indirectly support weight gain by lowering cortisol and improving sleep quality.

Patanjali medicine for high blood pressure/weight gain: Several Patanjali products are marketed for weight gain, primarily as combinations of the herbs above (Ashwagandha, Shatavari, Vidarikand). These are generally safe at recommended doses. The evidence base is for the individual constituent herbs rather than specific Patanjali formulations.

Who Should Consider Supplements (and Who Doesn't Need Them)

Consider supplementing if:

• You genuinely cannot eat enough food volume to hit your calorie surplus — a mass gainer or high-calorie protein shake fills the gap
• You are a vegetarian and consistently struggling to hit 80–100g protein per day from food alone — whey or soya protein powder helps
• Blood tests confirm a specific deficiency (B12, vitamin D, zinc, iron) that may be suppressing appetite or energy — correct the deficiency with targeted supplementation
• You are training seriously (5+ days per week), and the additional protein demand from muscle repair exceeds what your diet comfortably provides

You probably don't need supplements if:

• You are not yet consistently eating a calorie surplus — fix the food first
• You are not doing resistance training — supplements without the training stimulus produce fat gain, not muscle gain
• Your "inability to gain weight" has not yet been tracked accurately — two weeks of honest food logging almost always reveals the real issue

References

1. Wankhede S, et al. Examining the effect of Withania somnifera supplementation on muscle strength and recovery. Journal of the International Society of Sports Nutrition. 2015;12:43.
2. Morton RW, et al. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength. British Journal of Sports Medicine. 2018;52(6):376–384.
3. Witard OC, et al. Protein considerations for optimising skeletal muscle mass in healthy young and older adults. Nutrients. 2016;8(4):181.

About the Author

Hafsaa Farooq is a Consultant Dietitian at Clearcals with a strong passion for nutrition, fitness, and evidence-based health practices.

She is deeply interested in clinical nutrition and enjoys helping individuals build healthier lifestyles through practical dietary guidance. Beyond her professional work, Hafsaa enjoys developing healthy recipes, writing evidence-based nutrition blogs, and staying active through sports. She is also expanding her expertise in the science of exercise and weight training to better support holistic health and fitness goals.

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