Each vegetarian capsule in this Swanson supplement delivers 400 mcg of folate in the form of 5-methyltetrahydrofolic acid (5-MTHF), sourced from Quatrefolic® — a glucosamine salt of (6S)-5-methyltetrahydrofolate noted for its high solubility and stability. This is the naturally occurring, reduced form of folate rather than the synthetic folic acid found in many standard supplements. The pack contains 30 vcaps.
Quatrefolic® is a well-regarded branded ingredient used by supplement manufacturers seeking a more bioavailable folate source. Swanson is a long-established American supplement brand with a reputation for straightforward, single-ingredient formulations manufactured to consistent quality standards.
This product is commonly chosen by women of childbearing age, those following plant-based diets, and anyone looking to add a folate supplement to their daily nutritional routine. The vegetarian capsule format makes it simple to take alongside other supplements or with food.




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