Natural Factors
Folic Acid 1 mg 90 Tablets
80/100
SUPPIE SCORE
88/100
EFFICACY
Medium
SAFETY
92/100
CLEANLINESS
What Does Folic Acid 1 mg 90 Tablets Do?
Provides 1 mg of synthetic folic acid to correct folate deficiency and reduce neural tube defect risk, though this dose hits the adult tolerable upper intake level.
Why does 1 mg equal the daily upper limit for folic acid?
Can high-dose folic acid mask a vitamin B12 deficiency?
When should I take folic acid if planning a pregnancy?
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What Are the Benefits of Folic Acid 1 mg 90 Tablets?
Based on proven scientific research
Prevents neural tube birth defectsVery strong
Corrects folate deficiency and megaloblastic anaemiaVery strong
Lowers elevated blood homocysteineStrong
Good For:
What Are the Side Effects of Natural Factors Folic Acid 1 mg 90 Tablets?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•Undiagnosed megaloblastic anaemia: high-dose folic acid corrects anaemia while masking irreversible neurological damage from vitamin B12 deficiency
•Pre-existing colorectal adenomas or history of cancer: high intakes may stimulate proliferation of existing neoplastic lesions
•At 1 mg (1,000 mcg), a single tablet meets the adult tolerable upper intake level (UL set by EFSA and NAM); avoid combining with fortified foods or other folate supplements.
•Stop and get advice if: numbness, tingling, or burning sensations in hands or feet (paresthesia), which may indicate progression of masked vitamin B12 neuropathy
•Stop and get advice if: signs of hypersensitivity such as rash, itching, or facial swelling
Potential Side Effects
Negative Interactions
Inactive Ingredients
Microcrystalline cellulose
Low RiskDibasic calcium phosphate dihydrate
Low RiskVegetable grade magnesium stearate
Low RiskWhat Are the Ingredients in Natural Factors Folic Acid 1 mg 90 Tablets?
Folic acid (folate)
1 mg
Microcrystalline cellulose
dibasic calcium phosphate dihydrate
vegetable grade magnesium stearate
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Dosage & Bioavailability
How the active doses and forms in Folic Acid 1 mg 90 Tablets compare to the research.
•Folic acid (folate) 1,000 mcg a day, within the 400-1,360 mcg/day studied range; at the 1,000 mcg/day upper limit for folic acid (IOM (NIH ODS)).
•Folic acid (folate) — folic acid is one of the better-absorbed, well-studied forms of folate.
Sources & References
Frequently Asked Questions
Common questions about Natural Factors Folic Acid 1 mg 90 Tablets