Maca vs. Ashwagandha: Which Adaptogen Actually Fits You?

Maca and ashwagandha get sold as twins. They are not.

Scroll any wellness shop and you will see them on the same shelf, both called adaptogens, both promising energy and balance. If you have been trying to pick one, you have probably read five articles that end with "it depends on your goals" and never tell you which goals. This one will. We sell maca, not ashwagandha, so we will try hard to be fair to the other root.

Two roots from opposite sides of the world

Maca (Lepidium meyenii) is a radish-like root that grows higher than almost any other food crop, around 13,000 to 14,500 feet in the Junín plateau of central Peru. Around Carhuamayo and Lake Junín, farmers harvest it in the cold season, then lay the roots out to dry in the open air for weeks. People there have eaten it for about 2,000 years, boiled, roasted, or ground into flour for porridge.

Ashwagandha (Withania somnifera) is a shrub in the nightshade family from India and parts of Africa and the Middle East. In Ayurveda, the traditional medicine system of India, its root has been used for centuries as a "rasayana," a tonic for strength and calm.

That difference in origin says a lot. Maca is a food. Ashwagandha is a medicinal herb. You eat maca by the spoonful. You take ashwagandha in measured doses.

What each one is known for

Maca: energy, mood, and libido

Most maca research looks at sexual desire, energy, and mood. A small 2002 study in Andrologia found that men who took maca for 12 weeks reported more sexual desire, without any change in testosterone levels. A 2008 study in the journal Menopause found that postmenopausal women taking maca reported less anxiety and low mood. These are small studies, and the effects were modest, but they point the same way.

People describe maca as a steady, "awake" feeling rather than a jolt. It has no caffeine.

Ashwagandha: stress and sleep

Ashwagandha's research centers on stress. In a 2019 trial published in Cureus, adults who took ashwagandha extract for eight weeks reported lower stress scores and had lower morning cortisol, the main stress hormone, than a placebo group. Other small trials point to better sleep.

People describe ashwagandha as calming. Many take it in the evening.

Side by side

• Best known for: maca for energy, mood, and libido; ashwagandha for stress and sleep
• Feel: maca is gently energizing; ashwagandha is gently calming
• Type: maca is a food root; ashwagandha is a medicinal herb
• Typical time of day: maca in the morning; ashwagandha often at night
• Taste: maca is malty and nutty; ashwagandha is bitter and earthy (it is usually taken as a capsule for that reason)
• Safety record: maca has a long food history with few reported problems; ashwagandha has more cautions (see below)

So which one fits you?

Here is the plain version.

Maca may fit you if your main complaint is low drive: you feel flat in the morning, your interest in sex has dipped, or you want steady energy without coffee. It also fits if you would rather add a food to your routine than a drug-like herb.

Ashwagandha may fit you if your main complaint is feeling wired: racing thoughts, trouble winding down, stress that sits in your chest. It is a closer match for "tired but can't relax."

If you are unsure, ask yourself one question. Do you need more gas, or better brakes? Maca is closer to gas. Ashwagandha is closer to brakes.

Can you take both?

Many people do, often maca in the morning and ashwagandha at night. There is no known problem with combining them. Still, start one at a time, give it three or four weeks, then add the second. Otherwise you will not know which one is doing what.

Who should be careful

Maca

• If you are pregnant or breastfeeding, skip it. There is not enough safety research.
• If you have a hormone-sensitive condition, such as breast, uterine, or ovarian cancer, endometriosis, or fibroids, talk with your doctor first.
• People with thyroid conditions should also ask first. Raw maca contains goitrogens, which are compounds that can affect the thyroid. Gelatinized (cooked) maca has less of them.

Ashwagandha

• If you are pregnant, skip it. It has traditionally been linked to miscarriage risk.
• It may raise thyroid hormone levels, so people on thyroid medicine should ask first.
• Rare cases of liver injury have been reported with ashwagandha supplements. Stop and see a doctor if you notice yellow skin, dark urine, or unusual tiredness.
• It may add to the effects of sedatives, sleep medicine, and drugs that suppress the immune system.
• People with autoimmune conditions should check with their doctor first.

Frequently asked questions

Is maca or ashwagandha better for women?

Neither is "for women" by default. Women who struggle with low mood or libido around menopause often look at maca. Women whose main issue is stress and poor sleep often look at ashwagandha.

Is maca or ashwagandha better for men?

Maca has more research on male libido. Ashwagandha has some research on stress, sleep, and exercise recovery in men. Match it to the problem you actually have.

How long does maca take to work?

Most studies ran six to twelve weeks. Give it at least a month of daily use before you judge.

Which one is safer?

Maca has the longer history as an everyday food and fewer reported problems. Ashwagandha is safe for many healthy adults in the short term but carries more cautions.

The bottom line

Maca and ashwagandha are not rivals. They answer different questions. If you want to feel more awake and more like yourself, the Andean root that Junín farmers have eaten for two thousand years is a reasonable place to start. If stress is the real problem, ashwagandha may be the better match. We compared maca with another famous root in our maca vs ginseng guide.

Browse more in our energy and vitality collection.

These statements have not been evaluated by the Food and Drug Administration (FDA). This product is not intended to diagnose, treat, cure, or prevent any disease. This article is for education and does not replace advice from a qualified health professional.