Whey protein after workouts: does it change Athletes' mineral levels?
NCT ID NCT07488273
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at whether taking whey protein powder right after training for 8 weeks affects blood levels of calcium, phosphorus, magnesium, and iron in elite male track-and-field athletes. Fifty-nine athletes took 30 grams of whey protein daily after exercise. The goal was to see if this common supplement alters important minerals during intense training.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- whey protein powder
- What this could lead to
- If it works, this could help coaches and athletes understand how whey protein affects key minerals like calcium and iron during training.
- What could go wrong
- This is a small, non-randomized, open-label study without a placebo, so results may be biased or not apply to all athletes. It only measured mineral levels, not performance or health outcomes.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Training Centers
Tunis, Tunisia
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