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
Pro
0
Against

Evidence from Studies

Supporting (1)

49

Community contributions welcome

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.