Folate 1000 by Pure Encapsulations

If you’re looking for methylfolate 1000 mcg because folic acid hasn’t moved your labs, this is the active form, L-5-MTHF. It suits people with MTHFR variants, those with low Folate, RBC on testing, or elevated Homocysteine (the amino acid that rises when folate is low). It’s also practical after bariatric surgery or with alcohol use when absorption or needs change. For pregnancy planning, folate matters, but dose and form should be set with your obstetric clinician.

L-5-MTHF is the bioactive folate your cells actually use, so it bypasses the MTHFR enzyme step that synthetic folic acid relies on. In this form, folate donates a methyl group (a tiny chemical tag) to convert homocysteine into methionine, supporting methylation-dependent processes like DNA repair and neurotransmitter synthesis. When folate is the limiter, Homocysteine usually falls within 4 to 8 weeks. This 1 mg dose won’t treat depression on its own; augmentation trials used much higher prescription doses.

Take one capsule with a meal as directed. If you’re sensitive to stimulatory nutrients, start with every other day for a week, then daily. Pairing with vitamin B12 (methylcobalamin or hydroxocobalamin) is common, and checking Vitamin B12 or Methylmalonic Acid first is wise so high folate doesn’t mask a B12 problem. Compared to folic acid, 1 mg L-5-MTHF is a therapeutic-level dose; maintenance often uses lower amounts once labs stabilize.

Avoid unsupervised use if you take methotrexate for autoimmune disease or cancer, since folate can counteract it. Discuss with your prescriber if you’re on anti-seizure drugs (valproate, carbamazepine) or antibiotics like trimethoprim-sulfamethoxazole. If you have active cancer or a history of colon polyps, involve your oncologist or gastroenterologist. Stop and reassess if you notice new anxiety, irritability, or insomnia, which some people feel at higher doses.

If your Homocysteine is high from low folate, expect movement in 4 to 8 weeks, then re-test. Headaches or a “wired” feeling usually improve by lowering the dose or adding magnesium in the evening. Metafolin is a branded L-5-MTHF with strong stability; Quatrefolic is another well-absorbed form, and both bypass MTHFR. For prenatal needs, work with your clinician on the exact dose and co-nutrients like choline and iodine.