Your body needs to digest fats properly to absorb vitamin D from food—like how oil helps dissolve and carry the vitamin into your bloodstream.

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Pro

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Against

Evidence from Studies

Supporting (1)

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Community contributions welcome

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Exocrine Pancreatic Insufficiency and Malnutrition in Chronic Pancreatitis: Identification, Treatment, and Consequences

Cross-Sectional Study

Human

2018 Sep

When your body can't digest fat properly, it can't absorb vitamin D well—even if you eat enough of it. This study found that people with poor fat digestion had very low vitamin D levels, which supports the idea that fat digestion is needed for vitamin D to work.

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.

Similar Assertions

If your pancreas isn't making enough digestive juices, taking vitamin D pills won't help because your body can't absorb the vitamin properly—it needs fat to soak it up, and your pancreas isn't helping with that.

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75%

Men who had excess belly fat saw their vitamin D levels go up by 27% after a year of eating better and moving more—even though they didn’t take any vitamin D pills or supplements.

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74%

Having more vitamin D in your body might help you build more muscle and store less fat, directing your body’s energy toward making lean tissue instead.

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73%

Even though people ate more dairy, their body didn’t make more of the active form of vitamin D—so the hormone that might affect fat cells stayed the same.

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72%

In people who are overweight or obese, having more vitamin D in their body seems to be linked to how many calories they burn at rest, and this link happens because of how their body uses the vitamin D receptor gene — but not because of the PGC-1α gene.

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72%