causal
Analysis v1
Strong Support
Taking a specific amino acid supplement called L-arginine every day for three weeks might make people feel less tired when they exercise, after having a heart attack and while doing heart rehab — compared to taking a sugar pill.
49
0
Evidence from Studies
Supporting (1)
49
Community contributions welcome
49
This study gave heart attack patients recovering in rehab a daily supplement of L-arginine (3.32 grams) and found they felt less tired during exercise compared to those who took a fake pill — exactly what the claim says.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.