Aids muscle recovery and growth by providing a readily absorbed protein source.
Effective Dose
20-30g
Onset
Fast
Cost
Mid-range
Cycle
No cycling required. Can be taken consistently as part of a balanced diet.
7 things you need to know
What it does
Aids muscle recovery and growth by providing a readily absorbed protein source.
Worth it?
8/10. Whey protein isolate is a high-quality protein source that's effective for supporting muscle growth and recovery, especially after exercise. It's a convenient and easily digestible option for increasing protein intake, and studies suggest it can contribute to overall health and body composition goals.
How much to take
20-30g
Price
Moderate ($15-30/month)
How fast it works
You feel it within an hour
Safety
Check if: dairy allergy, lactose intolerance (less problematic than whey concentrate, but still possible)
What people say
Generally doesn't cause any noticeable sensations besides potentially feeling fuller. Some people might experience mild digestive discomfort if they're sensitive to dairy.
Whey, the liquid remaining after milk has been curdled and strained, was once considered a waste product of cheese production.
"Generally doesn't cause any noticeable sensations besides potentially feeling fuller. Some people might experience mild digestive discomfort if they're sensitive to dairy."
Research backing for this ingredient
Some evidence, more research needed
Limited
Yes
Strong agreement among researchers
"There is strong scientific consensus that whey protein, especially isolate, is an effective protein source for muscle protein synthesis and overall health. Its high protein content and rapid absorption make it a popular and well-regarded supplement."
Whey protein isolate is a concentrated source of protein derived from milk. It's processed to remove most of the fat and lactose, making it a good option for people who are lactose intolerant or who want a higher protein-to-calorie ratio. It provides essential amino acids that are crucial for building and repairing muscle tissue.
Products below minimum dose are likely ineffective
When
Any time
How
20-30g
Food
Best taken post-workout to aid in muscle recovery, or any time of day to increase protein intake.
Absorbed relatively quickly, with amino acids appearing in the bloodstream within an hour or two.
No cycling required. Can be taken consistently as part of a balanced diet.
Check for specific interactions.
Whey Protein Isolate is categorized as a amino acid.
Scientific consensus score: 9/10.
Evidence quality: STRONG.
Add Whey Protein Isolate to your stack analyzer or compare it with other ingredients.
Not medical advice. Always consult a healthcare provider.