Vitamin K1
Deepen your research
Handpicked articles that pair with this ingredient

NAD+
A century ago, a mysterious rash and dementia swept the American South. The cure hid not in a pharmacy but in bread flour. Today, the same molecular currency...

NAD+
A century ago, a mysterious rash, diarrhea, and dementia swept through the American South. Doctors blamed germs—until a public-health maverick fed prisoners a...

Nicotinamide Riboside (NR)
A vitamin fragment first traced in milk promises to recharge aging cells—and in some studies even softens stiff arteries—yet animal data hint it could also...
Understanding Vitamin K1
Dosage Guide
• Most products contain 1-2.2mg
• Therapeutic dose: 2.2-26.75mg
Forms & Absorption
Timing & Usage
Based on analyzing 22,070 products with Vitamin K1
Works Well With
Top Products

Vitamin K 100 mcg
Puritan's Pride • Tablet or Pill

Vitamin K2 MK-7 100 mcg
Nutricost • Capsule

Vitamins D and K with Sea-lodine
Life Extension • Capsule

Vitamin K2 100 mcg + Vitamin D3 125 mcg
Nutricost • Softgel Capsule