descriptive
Even when eating enough plant-based food to build muscle, male bodybuilders get less vitamin D than recommended—about 536 IU per day instead of the 600 IU needed—meaning they likely need supplements...
Evidence from Studies
Supporting (1)
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Contradicting (0)
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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.