Buy Vitamin K Supplements Apr 2026

The "Adequate Intake" (AI) for total vitamin K (K1 and K2 combined) is and 90 mcg for women . Vitamin K – Uses, Side Effects, and More - WebMD

: Long-acting (half-life of several days); more effective at lower doses and generally taken once daily. Recommended Dosage and Safety buy vitamin k supplements

: Short-acting; typically requires multiple daily doses to maintain levels. The "Adequate Intake" (AI) for total vitamin K