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Public-ready6/28/2026

Folate

Papers analyzed
94
Menstrual and women's healthBlood-Level or Deficiency Marker
What to look for in this research

Menstrual and women's health is the main area connected here, and any felt benefit should be read together with the human evidence base.

Main benefit evidence

Review human evidence by goal.

Women's health
Menstrual and women's health
Measured outcomes: Menstrual and women's health

Potential benefit studied in Women's health. These findings come from a defined study population, so everyday effects may differ.

Goal tierNot rated yet

No direct evidence for general supplement use is confirmed under the current standard.

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Nutrient status and deficiency
Blood-Level or Deficiency Marker
Measured outcomes: Blood level or deficiency correction markers

This is based on lab markers such as blood levels, deficiency correction, or absorption. Read it separately from directly felt outcomes.

Goal tierNot rated yet

The currently linked research coverage is not broad enough to characterize this goal yet.

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What does a research result actually tell you?

Reading research

Side effects and combination findings in studies

Findings from studies of this ingredient alone are separated from findings involving another supplement or medication.

Caution signals
4
Side effects + combos + curated rules
Key precautions
No curated contraindication rule is available yet, but literature caution signals are shown below.
These are signals reported in studies. They do not predict what will happen to an individual.

Findings to review with care

Side effects reported for the ingredient alone are separated from findings involving another supplement or medication.

Side effects reported when this ingredient was used alone

Symptoms or adverse events reported in studies of this ingredient without another active ingredient.

Adverse effect signal1 papers
The report describes a possible direct stimulation of hormone-resistant prostate cancer associated with the ingestion of a supplement containing folic acid, L-methyltetrahydrofolate, and vitamin B12.Human studies · Study type not identified
Adverse effect signal1 papers
The review mentions that in the case of tumor existence, therapeutic use of folic acid requires great care as it may promote the progression of certain precancerous lesions.Human studies · Study type not identified
Adverse effect signal1 papers
The review mentions possible side effects of folate supplementation in sickle cell disease, though specific side effects are not detailed.Cell studies · Study type not identified

Caution signals when used with another supplement or medication

These studies reported a negative change, reduced absorption, or another caution when substances were used together. They do not predict an individual outcome.

Sodium ValproateValproate interferes with one-carbon metabolism and folate transport, potentially reducing folic acid efficacy and increasing congenital risks.