nutricost
Vitamin B1
91/100
SUPPIE SCORE
85/100
EFFICACY
High
SAFETY
96/100
CLEANLINESS
What Does Vitamin B1 Do?
Thiamin (Vitamin B1) at the stated 100 mg dose exceeds the adult RDA of 1.1–1.2 mg by a wide margin and aligns with studied supplemental ranges for deficiency correction or prevention in at-risk populations.
Is 100 mg thiamin suitable for addressing potential deficiency symptoms?
How does this dose compare to typical RDA levels for thiamin?
What monitoring might be needed when taking this supplement regularly?
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What Are the Benefits of Vitamin B1?
Based on proven scientific research
Energy metabolism supportStrong
Nervous system functionStrong
Deficiency preventionVery strong
Wernicke-Korsakoff risk reduction in at-risk groupsStrong
Good For:
What Are the Side Effects of nutricost Vitamin B1?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•No UL established due to lack of adverse reports at intakes ≥50 mg/day.
•Excess excreted in urine; absorption declines above ~5 mg per dose.
•May interact with furosemide by increasing urinary thiamin loss.
•Fluorouracil chemotherapy can increase thiamin requirements.
•Evidence limited on long-term high-dose effects in healthy individuals.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Rice flour
Low RiskGelatin capsule
Low RiskSilica
Low RiskWhat Are the Ingredients in nutricost Vitamin B1?
Thiamin (Vitamin B1)
100mg
Rice flour
gelatin capsule
silica
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Dosage & Bioavailability
How the active doses and forms in Vitamin B1 compare to the research.
•Thiamin (Vitamin B1) is listed at 100mg per serving; without a source-specific reference range, dose adequacy cannot be graded.
•Thiamin (Vitamin B1) has no distinct chemical or delivery form stated, so no product-specific absorption advantage can be established.
Frequently Asked Questions
Common questions about nutricost Vitamin B1