The Claim
In women with Hashimoto's thyroiditis, weekly supplementation with 50,000 IU of cholecalciferol for three months significantly increases serum 25-hydroxyvitamin D and serum calcium levels and does not significantly alter interferon-gamma (IFNγ), IL-4, T-bet, RORγt, or FOXP3 expression.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
In women with Hashimoto's thyroiditis, taking 50,000 IU of vitamin D3 weekly for three months raises blood levels of vitamin D and calcium but does not change the expression levels of five specific immune system proteins.
See the scientific wording
In women with Hashimoto's thyroiditis, weekly supplementation with 50,000 IU of cholecalciferol for three months significantly increases serum 25-hydroxyvitamin D and serum calcium levels, confirming biological uptake and metabolic effect, but does not significantly alter interferon-gamma (IFNγ), IL-4, T-bet, RORγt, or FOXP3 expression.
Taking a high-dose vitamin D supplement increases vitamin D levels in the blood, which the body converts into its active form. This active form enters immune cells and turns on genes that control cell behavior, raising calcium levels and increasing one regulatory protein called GATA3, but it does not change the levels of other immune signals like interferon-gamma, IL-4, T-bet, RORγt, or FOXP3.
What the research says
1 studyTaking a high-dose vitamin D pill once a week for three months raised vitamin D and calcium levels in women with Hashimoto’s, as expected — but didn’t change the key immune signals that were checked, just like the claim says.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.