
Product photo 1 of 2
Scored forOutcome alternatives
XTEND14.3 oz • 30 servingsAvailable now$25.19$0.84 / serving4.7 · 5,388 ratings
80−3 pts from leader
#15 of 1423 ranked for muscle massLeader · Nutricost, Nutricost, L-Leucine, Unflavored, 17.9 oz (500 g) — 83
Why this ranks #15 for muscle mass
- Evidence fitL-Leucine is the strongest evidence signal for this outcome.
- Dose fit1 of 2 dosed ingredients land in the studied range. L-Leucine at 3500 mg lands inside the studied 2000-5000 mg window.
- Price / serving$0.84 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
The numbers · Muscle mass
80
86
78
99
3500 mgIn rangeinside the studied 2000-5000 mg window
1750 mgBelow rangebelow the studied 2000-5000 mg window
2500 mg
1750 mg
0.64 mg
Retailer links may be affiliate links. Rankings and placement are not paid placement.