When baby female rats get more vitamin D in their food, their body keeps more of a growth-related hormone called IGF-1 over 8 weeks, compared to rats getting less vitamin D.

14

Pro

0

Against

Evidence from Studies

Supporting (1)

14

Community contributions welcome

14

Lean body mass accretion is elevated in response to dietary vitamin D: A dose-response study in female weanling rats.

Randomized Controlled Trial

Animal

2019 Aug

Rats that got more vitamin D in their food lost less of a growth hormone (IGF-1) over time than rats that got less vitamin D — exactly what the claim says.

Contradicting (0)

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.

Source Study

Lean body mass accretion is elevated in response to dietary vitamin D: A dose-response study in female weanling rats.

Score: 14

DOI: 10.1016/J.NUTRES.2019.07.004

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