Muscle-building claims evidence brief
Phosphatidic acid is a lipid signaling molecule marketed for mTOR activation, strength, and muscle gain. The claim is mechanistic, but outcome evidence is limited.
Mechanistic rationale around mTOR does not yet translate into dependable hypertrophy or strength outcomes in trained lifters.
Resistance-training trials are mixed, including null data; mechanistic mTOR rationale has not become dependable outcomes.
Trials often use several hundred milligrams daily, but product forms and blends vary and the evidence base is small.
Treat as experimental. Do not imply that mTOR signaling automatically means visible muscle gain.
Source Drawer
The score reflects evidence that the supplement does its stated job. Some jobs are direct, such as strength, endurance, or recovery; others are indirect, such as sleep, mood, appetite, or health support. A real effect can still receive a cautious practical rating when dose, safety, product quality, or audience fit remain uncertain.
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