Safety Profile
Well tolerated in both acute and chronic therapy.
- Folate augmentation to standard psychotropic medications did not add any additional adverse events acutely or over a 12 month period (age 18-92).29-35
- Up to 90mg 5-MTHF (45mg L-methylfolate) was administered for 4 weeks without any additional adverse events.31
- Deplin® is not contraindicated with any medications.
- Not associated with weight gain, sexual dysfunction, or GI disturbances. 29-35
Suicide/Overdose
- No suicidal ideation or suicides were reported with folate.29-35
- Up to a 1,000mg of folate (more than 4 months of Deplin®) was administered for 1-3 weeks in 4 patients with no adverse events reported.36
- Coppen, A. et al, J. Affective Disorders, 1986
- Godfrey, PSA., et al. The Lancet, 1990
- Guaraldi et al. Annals Clinical Psychiatry 1993
- Passeri, M., et al. Aging Clin. Exp. Res, 1993
- DiPalma, C, et al. Therapeutic Research, 1994
- Coppen, A et al. J. of Affective Disorders, 2000
- Alpert, JE, et al. Annals of Clinical Psychiatry, 2002
- Carney M., J Nerv Mental Disorders, 1970
Pregnancy
- Up to 1mg of folate is approved by the FDA as Pregnancy Category A.37
- L-methylfolate does not currently have a pregnancy category.
High Dose of Folate May Obscure Ability to Detect Pernicious Anemia
- High doses of folate may normalize the size of enlarged RBCs (megaloblastic) due to a neurological B12 deficiency, masking the diagnostic criteria needed to identify the B12 deficiency.
- If symptoms of anemia occur while taking Deplin, 2mg of B12 is recommended.
- Folic acid prescribing info, Watson Labs 2005
Drug Interactions
- L-methylfolate is water soluble and rapidly excreted via the kidneys.
- L-methylfolate does not affect CP-450 system.
- Potential Drug Interactions: High dose folate may lower the serum level of first generation anticonvulsants and pryimethamine.
PDR® For Nutritional Supplements, 2001: ISBN: 1-56363-364-7:157-167