Is Source Naturals Vitamin K2 Advantage 2,200 mcg safe while breastfeeding?

Grade A. 9 Safe, 0 Caution, 0 Avoid. No major safety flags.

Clarity Product Analysis

Source Naturals

Vitamin K2 Advantage 2,200 mcg

Name: Vitamin K2 Advantage 2,200 mcg
Brand: Source Naturals

All clear9 of 9 ingredients checked · 0 flagged · 9 clear

No safety flags identified

9Checked

AGrade

9Safe

0Flagged

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This product passed Clarity screening with minimal or no flags.

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Full ingredient analysis

Ingredient	Status	Evidence	Notes
Calcium	Safe	Gold	Recommended during lactation. Maternal calcium needs increase postpartum.
Dibasic Calcium Phosphate	Safe	Gold	Recommended during lactation. Maternal calcium needs increase postpartum.
Hydroxypropyl Cellulose	Safe	Bronze
Magnesium Stearate	Safe	Gold	Safe for breastfeeding.. DAO: Low
Microcrystalline Cellulose	Safe	Silver	Safe. Plant-derived filler/binder. FDA GRAS. Not absorbed.
Silica	Safe	Gold	Histamine: N/A
Vitamin K1	Safe	Gold	Histamine: N/A
Vitamin K2	Safe	Gold
Vitamin K2	Safe	Gold

See all 9 ingredients analyzed. Free, instant access.

According to the Clarity Ingredient Safety Database by Health AI. 9 of 9 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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