Is Source Naturals High Potency B-1 500 mg safe while breastfeeding?

Grade A. 8 Safe, 0 Caution, 0 Avoid. No major safety flags.

Clarity Product Analysis

Source Naturals

High Potency B-1 500 mg

Name: High Potency B-1 500 mg
Brand: Source Naturals

All clear8 of 8 ingredients checked · 0 flagged · 8 clear

No safety flags identified

8Checked

AGrade

8Safe

0Flagged

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Full ingredient analysis

Ingredient	Status	Evidence	Notes
Acacia Gum	Safe	Silver	SIGHI rating 1/3. Histamine liberator. May affect histamine-sensitive individuals.
Hydroxypropyl Cellulose	Safe	Bronze
Magnesium Complex	Safe	Gold	Histamine: N/A
Magnesium Stearate	Safe	Gold	Safe for breastfeeding.. DAO: Low
modified Cellulose Gum	Safe	Silver	Safe. Plant fiber used as filler. FDA GRAS. Not absorbed.
Silica	Safe	Gold	Histamine: N/A
Stearic Acid	Safe	Bronze	Natural fatty acid.. Histamine: N/A
Thiamine	Safe	Gold	Safe. Vitamin B1. Essential nutrient. Water-soluble. No concerns for breastfeeding.

See all 8 ingredients analyzed. Free, instant access.

According to the Clarity Ingredient Safety Database by Health AI. 8 of 8 ingredients verified against 1,595 evidence-graded entries. Last verified: April 2026. Database version 4.2. Check this product live →

What this means

All checked ingredients in this product are rated Safe.

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1,595 ingredients. 20+ safety dimensions. Evidence-graded.

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Product analysis by Clarity (Health AI). Based on published evidence for breastfeeding, pregnancy, and general safety. Not medical advice. Formulations may change; verify current ingredients on the label.

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