VCVITAMINS/CHART

The Bottom Line

Yes, you can take vitamin K (K1, K2) with maca root — no known interactions. These two supplements work through unrelated pathways and are safe to combine.

VERDICT

Combining vitamin K (K1, K2) with maca root is safe and practical. No clinical evidence shows a negative interaction, and the two supplements work via different biological routes. You can add maca to your vitamin K routine without special timing or titration.

Safe to combine Limited evidence
01 / MECHANISM

How They Interact

Vitamin K is a fat-soluble vitamin absorbed in the small intestine along with dietary fat and packaged into chylomicrons for transport. Maca root is a dried plant root from the Brassica family, rich in carbohydrates, fiber, and unique macamides; it does not significantly alter fat-soluble vitamin absorption or vitamin K-dependent carboxylation. No shared enzymes, transporters, or receptor pathways have been identified between menaquinones/phylloquinone and maca's active constituents. Maca has minimal vitamin K content itself, so it does not contribute to or compete with supplemental vitamin K status. Overall, the biological mechanisms are functionally independent.

02 / BEST PRACTICES

How To Take Them

If you take vitamin K as a supplement, it is best taken with a meal that contains fat — breakfast or lunch works well. Maca root is more flexible; you can take it in the morning or afternoon with food or in a smoothie. There is no required spacing, so you can take both together at breakfast if you wish. If you miss a dose of either, just resume the next day — no need to double up. For steady vitamin K levels, consistency matters more than exact timing.

03 / FORM MATTERS

Form & Quality Differences

Vitamin K2 (menaquinone-7) tends to remain in circulation longer than vitamin K1, so some patients prefer MK-7 for daily bone or vascular support. Maca is available as raw powder, capsules, and gelatinized extract; gelatinized maca is easier on digestion and reduces goitrin content, but none of these forms change the interaction with vitamin K. If you use a vitamin K supplement with a fat-soluble carrier like olive oil, that is fine to take with maca in a smoothie or meal.

04 / COMMON STACKS

Where This Pair Shows Up

This pair is not commonly bundled together in a single commercial formula, but both are popular in daily wellness greens powders and adaptogen blends. Maca frequently appears in hormone-balance or libido-support stacks, while vitamin K2 is often paired with vitamin D3 and calcium for bone health.

Multivitamins Prenatals Performance Longevity
05

Practical Tips

06

Frequently Asked Questions

Who Should Be Careful If you take warfarin or another vitamin K antagonist, keep your vitamin K intake consistent and monitor your INR as directed by your doctor; maca is not known to interact, but any dietary change warrants caution. Maca root is not well studied in pregnancy and breastfeeding, so check with your obstetrician before adding it. People with thyroid issues should avoid raw maca powder, as it contains goitrogens; gelatinized maca has lower goitrogen content. Also, if you have a history of hormone-sensitive conditions, talk to your doctor because maca may have hormonal activity.
08

Sources & Further Reading

  1. NIH ODS NIH Office of Dietary Supplements — Vitamin K Fact Sheet
  2. NCCIH National Center for Complementary and Integrative Health — Maca
  3. Examine.com Examine.com — Vitamin K interaction page
  4. Examine.com Examine.com — Maca interaction page

Reviewed by Caroline M. on June 27, 2026 for accuracy against the sources listed above. This page is educational and is not a substitute for professional medical advice.

WANT THE FULL PICTURE?

The matrix has 86 supplements and 7310 pairwise interactions. Click any cell to see the full breakdown.

Back To The Vitamins Chart All Vitamin K (K1, K2) Interactions All Maca Root Interactions