VCVITAMINS/CHART

The Bottom Line

Yes, you can safely take magnesium and maca root together — no significant interaction exists between them.

VERDICT

Magnesium and maca root together are safe for most healthy adults. No significant interaction exists between this mineral and this plant root, and they work through independent pathways. Taking them together is generally well tolerated and may even complement each other for energy and relaxation.

Safe to combine Limited evidence
01 / MECHANISM

How They Interact

Magnesium is an essential mineral absorbed in the small intestine via both passive and active transport mechanisms, including TRPM6/TRPM7 channels. Maca root, a cruciferous vegetable from the Andes, contains polysaccharides, macamides, and other phytochemicals but does not appear to affect mineral absorption or transport. No shared receptor pathways or cytochrome P450 enzymes are involved, so competition is unlikely. The main consideration is that both supplements can have mild effects on digestion and blood pressure, but these are independent and not synergistic. Because magnesium and maca root operate through entirely distinct metabolic routes, the combination is considered neutral.

02 / BEST PRACTICES

How To Take Them

For best results, take your magnesium with your evening meal, especially if you use it for sleep support, and take maca in the morning with breakfast to support daytime energy. Space magnesium and maca by at least 30 minutes if you take them together, although this is not strictly necessary. If you take a high dose of magnesium (above 200 mg), consider splitting it between lunch and dinner. If you miss a dose of either, simply resume with your next scheduled dose; doubling up is not needed. Pair magnesium with a source of vitamin B6 or taurine for improved cellular uptake, and pair maca with a light fat source if you use the powder, as some of its compounds are fat-soluble.

03 / FORM MATTERS

Form & Quality Differences

The form of magnesium matters more for absorption and tolerance than for any interaction with maca. Magnesium oxide is poorly absorbed and may cause gastrointestinal upset, while magnesium glycinate and citrate offer higher bioavailability and better tolerance. Magnesium threonate is promoted for brain health and crosses the blood-brain barrier, which is unrelated to maca's effects. Maca root is typically consumed as a powder or extract, and its composition varies with the preparation, but none of these forms significantly alter magnesium handling.

04 / COMMON STACKS

Where This Pair Shows Up

While magnesium and maca are not a classic combination, they occasionally appear together in women's hormone-balancing supplements as magnesium supports the nervous system and maca supports libido and mood. More commonly, you will find magnesium in sleep or muscle-recovery stacks and maca in energy or stamina formulas.

Multivitamins Prenatals Performance Longevity
05

Practical Tips

06

Frequently Asked Questions

Who Should Be Careful If you are pregnant or breastfeeding, talk to your doctor before adding maca, as its hormonal activity has not been well studied in these groups. People with hormone-sensitive conditions, such as breast cancer or uterine fibroids, should also consult a physician before using maca. If you have chronic kidney disease, be cautious with magnesium, since impaired kidney function can lead to magnesium accumulation. Magnesium can lower blood pressure slightly, so monitor your blood pressure if you are taking antihypertensive medication.
08

Sources & Further Reading

  1. NIH ODS NIH Office of Dietary Supplements — Magnesium Fact Sheet
  2. NIH ODS NIH Office of Dietary Supplements — Maca Fact Sheet
  3. Examine.com Examine.com — Magnesium interaction page
  4. Examine.com Examine.com — Maca interaction page

Reviewed by Caroline M. on April 9, 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 Maca Root Interactions All Magnesium (Citrate, Glycinate, Oxide, Threonate) Interactions