Natural Factors
Vitamin B12 1000 mcg 90 Tablets
90/100
SUPPIE SCORE
88/100
EFFICACY
High
SAFETY
92/100
CLEANLINESS
What Does Vitamin B12 1000 mcg 90 Tablets Do?
High-dose cyanocobalamin reliably corrects and prevents vitamin B12 deficiency via passive diffusion, though extra intake offers little benefit once status is replete.
Is 1,000 mcg cyanocobalamin as effective as sublingual methylcobalamin?
Do I need to take this high dose if my blood B12 levels are already normal?
Can taking metformin or acid blockers decrease my B12 absorption?
Chat with Suppie
What Are the Benefits of Vitamin B12 1000 mcg 90 Tablets?
Based on proven scientific research
Corrects vitamin B12 deficiencyVery strong
Restores red blood cell formation in deficiencyVery strong
Lowers elevated plasma homocysteineStrong
Prevents deficiency-related neurological declineStrong
Good For:
What Are the Side Effects of Natural Factors Vitamin B12 1000 mcg 90 Tablets?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Leber hereditary optic neuropathy: cyanocobalamin can precipitate rapid and severe optic nerve atrophy
•Known cobalt hypersensitivity: cyanocobalamin contains cobalt and may trigger severe allergic reactions
•No tolerable upper intake level is established by EFSA or NAM for vitamin B12 due to low toxicity risk.
•Stop and get advice if: sudden visual disturbances: discontinue immediately to evaluate for underlying optic nerve vulnerability
•Stop and get advice if: severe skin rash, facial swelling, or breathing difficulty: discontinue immediately and seek urgent medical care
Potential Side Effects
Negative Interactions
Inactive Ingredients
Cellulose
Low RiskAcide stéarique
Low RiskCroscarmellose sodique
Low RiskStéarate de magnésium d'origine végétale
Low RiskWhat Are the Ingredients in Natural Factors Vitamin B12 1000 mcg 90 Tablets?
Vitamine B12 (cyanocobalamine)
1000 mcg
cellulose
acide stéarique
croscarmellose sodique
stéarate de magnésium d'origine végétale
Scan the bottle in your cupboard
Same graded report you just read — on any label, in about 10 seconds.
Dosage & Bioavailability
How the active doses and forms in Vitamin B12 1000 mcg 90 Tablets compare to the research.
•Vitamine B12 (cyanocobalamine) 1,000 mcg a day; within the 500-1,000 mcg/day studied range.
•Vitamine B12 (cyanocobalamine) — 1,000 mcg per tablet, 1 tablet a day: 1,000 mcg a day; within the 500-1,000 mcg/day used in studies.
Sources & References
Frequently Asked Questions
Common questions about Natural Factors Vitamin B12 1000 mcg 90 Tablets