Maca root will not directly regrow hair, and no strong clinical trial shows that it does. What maca can offer is a nutrient-dense, adaptogenic addition to your diet that supports the everyday conditions healthy hair needs: steady energy, a balanced mood, and a good supply of vitamins and minerals. If your hair thinning is driven by a nutrient gap, chronic stress, or general run-down health, a food like maca may play a small supporting role. It is not a cure for hair loss, and the best results come from pairing sensible nutrition with a proven topical routine and, where needed, a GP's advice.

What is maca root?

Maca (Lepidium meyenii) is a hardy root vegetable that grows high in the Peruvian Andes, often above 4,000 metres. It has been eaten and used traditionally in Peru for centuries, usually dried and ground into a fine powder. Today it is sold as a powder, in capsules, and blended into supplements, where it is marketed as an adaptogen: a food said to help the body cope with physical and mental stress.

Maca comes in several colours, mainly yellow, red, and black, and each is chemically slightly different. It has a mild, malty, slightly nutty taste that blends easily into smoothies, porridge, and baking. It is naturally vegan and caffeine-free.

Does maca actually help hair growth?

This is where honesty matters. Maca is often sold with bold hair-growth promises, but the science does not back most of them. Here is a clear, evidence-tiered view.

The takeaway: treat maca as a healthy food that may support the wider picture, not as a treatment. If a product page promises maca will stop balding or block DHT, be sceptical. Real hair change comes from addressing the underlying cause.

What nutrients does maca contain, and why do they matter for hair?

Hair is built mostly from a protein called keratin, and the follicle is one of the most metabolically active tissues in the body. It needs a steady stream of nutrients to keep producing strong strands. Maca contributes several of these as part of a balanced diet:

• Plant protein and amino acids: the raw material for keratin.
• Iron and copper: iron deficiency is one of the most common nutritional causes of shedding in women.
• Vitamin C: helps the body absorb iron and supports the scalp's collagen structure.
• Zinc and B vitamins: involved in the normal hair growth cycle and follicle repair.

None of these work in isolation, and more maca is not better. A follicle that already has enough of a nutrient gains nothing from an excess. The value of maca is as one part of a genuinely varied diet, not a shortcut.

How do you use maca for hair and general wellbeing?

Maca is easy to add to a daily routine. Most people start with a small amount and build up, since larger doses can feel activating.

1. In food and smoothies

Stir one teaspoon of maca powder into a smoothie, porridge, yoghurt, or coffee. Starting low, around 1 to 3 grams a day, lets you see how your body reacts before increasing.

2. As a supplement

Capsules offer a convenient, taste-free option and a consistent dose. If you would rather target hair nutrition directly, a dedicated hair, skin and nails supplement is a more focused choice than maca alone.

3. Alongside a real scalp routine

Nutrition works from the inside; a good cleanse-and-condition routine works from the outside. The two together give hair the best environment to look its fullest.

GrowPro Hair Growth Gummies

A more targeted alternative to maca alone. These sugar-free vegan gummies deliver biotin, zinc, selenium, bamboo silica and horsetail, nutrients that contribute to the maintenance of normal hair. Two a day, easy to keep up.

View GrowPro Gummies, £22.95

Maca alone is not a routine: what actually supports fuller hair

If your real goal is thicker, fuller-looking hair, maca is a minor player. The things that genuinely move the needle are less glamorous but far more effective:

• Eat enough protein and iron. Under-eating and crash diets are common, overlooked causes of shedding. Learn more in our guide to how to get healthy hair.
• Manage stress. A stressful few months can push hair into shedding, a pattern explained in what causes telogen effluvium.
• Use a scalp-friendly shampoo. Harsh sulphates strip the scalp; a gentle, active-led formula keeps it comfortable and supports volume at the root.
• Be patient. Hair grows about one centimetre a month, so any change takes three to six months to show.

Maca is one honest ingredient among many. Other food-based options with similar, modest support include moringa powder and chia seeds. None is a miracle; all work best inside a real routine.

Grow Me® Hair Growth Shampoo

The topical half of the routine. Sulfate-free and powered by biotin, caffeine, rosemary and niacinamide to cleanse gently and leave hair looking thicker and fuller from the root.

View Grow Me Shampoo, £14.95

Who should be careful with maca?

Maca is generally well tolerated as a food, but it is not right for everyone. Speak to your GP or pharmacist before starting if you:

• have a thyroid condition, since maca contains goitrogens that may matter at high intakes;
• are pregnant or breastfeeding, where safety data is limited;
• take hormone-sensitive medication or have a hormone-sensitive condition;
• are on any regular prescription, to check for interactions.

And an important reminder: if your hair loss is sudden, patchy, comes with an itchy or sore scalp, or is falling out in clumps, that needs a medical assessment, not a supplement. Book in with your GP so the cause can be identified and treated properly.

Frequently asked questions

How long before maca shows any effect on hair?

Because maca works only indirectly, through general nutrition and wellbeing, there is no defined hair timeline. If a nutrient gap or stress was holding your hair back, any improvement would follow the normal hair cycle of three to six months, and would come from the whole picture, not maca alone.

Does maca block DHT?

There is no reliable human evidence that maca lowers DHT or affects pattern hair loss. If you are looking to address androgenetic (pattern) thinning, speak to a pharmacist or GP about options that are actually proven.

Is maca powder or capsules better for hair?

Neither is better for hair specifically. Powder is easy to add to food and lets you control the amount; capsules are convenient and tasteless. Choose whichever you will stick with.

Can I use maca on curly or coily hair?

Yes. Maca is eaten, so it suits every hair type. Curly and coily hair benefits most from external moisture and gentle handling, so pair any diet changes with a rich conditioning routine.

Can I take maca with a hair vitamin supplement?

Usually yes, but check the labels so you are not doubling up on the same nutrients, and speak to a pharmacist if you take other supplements or medication.

Will maca help hair loss from menopause or thyroid problems?

Hormonal and thyroid-related hair loss needs the underlying condition managed by a clinician. Maca is not a treatment for either and, with thyroid conditions, should only be used after medical advice.

Is maca safe to take every day?

For most healthy adults, a modest daily amount is considered safe. Start low, see how you feel, and check with a professional if you have a health condition or take medication.

Maca can be a pleasant, nutrient-rich part of a healthy lifestyle, but honest hair results come from the fundamentals: good nutrition, a gentle scalp routine, patience, and treating the real cause of any thinning. Watermans has helped people care for their hair since 2012, with over 5 million bottles sold, all vegan and made in the UK.