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Protein powder
Also called: protein, whey
Concentrated protein from milk (whey, casein), soy, peas or other plants.
- Why people take it
- Building muscle with exercise, feeling full, and getting enough protein.
- What the evidence says
- Helps muscle gain when combined with strength training if your diet is short of protein. Most people can get enough protein from food.
- Be careful
- Talk to your doctor if you have kidney disease. Check for added sugar, and choose brands tested by an independent lab, as some products have been found with contaminants.
- In food
- Milk, curd, paneer, eggs, dals, soy, chicken and fish.
Other most popular
Common questions
What is Protein powder?
Concentrated protein from milk (whey, casein), soy, peas or other plants.
Why do people take Protein powder?
Building muscle with exercise, feeling full, and getting enough protein.
Does Protein powder work?
Helps muscle gain when combined with strength training if your diet is short of protein. Most people can get enough protein from food.
Is Protein powder safe?
Talk to your doctor if you have kidney disease. Check for added sugar, and choose brands tested by an independent lab, as some products have been found with contaminants.
Sources and further reading
Last reviewed 31 October 2026. Written by Satya Babu.
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