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High-Dose Quatrefolic Supplements

17 products above 340 mcg

17 supplements contain high-dose Quatrefolic (above 340 mcg). The highest dosage product is L-5-MTHF 25,500 mcg DFE at 25500 mcg.

Low Dose (15)High Dose (17)

Frequently Asked Questions

What is considered high-dose Quatrefolic?

Based on 58 products in the NIH DSLD database, high-dose Quatrefolic supplements contain 340+ mcg.

Is high-dose Quatrefolic safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including Quatrefolic.