Maca Root: What It Actually Is, How People Use It, and What to Look For in a UK Supplement
Maca root is one of those wellness ingredients you've seen on a hundred labels without ever being told what it actually is — a knobbly Andean vegetable that has quietly become one of the UK's most-searched supplements.
Search interest in maca root runs into the tens of thousands every month in the UK, yet most of what gets written about it skips the basics and jumps straight to bold promises. This guide does the opposite. We'll cover what maca root really is, the difference between the colours and forms you'll see on the shelf, what a UK label is and isn't allowed to tell you, and how to read a maca supplement so you know what you're actually buying.
What is maca root, exactly?
Maca (Lepidium meyenii) is a root vegetable that grows high in the Peruvian Andes, often above 4,000 metres where few other crops survive. It belongs to the same botanical family as broccoli, cabbage and radish — the brassicas — and the part people use is the swollen root, dried and then milled into a powder or packed into capsules.
It isn't new or trendy in its homeland. Andean communities have grown and eaten maca as an everyday food for centuries, boiling or roasting the roots and adding the powder to drinks and porridge. What's changed is that it now arrives in the UK as a tidy capsule or a bag of powder rather than a sack of roots — which is exactly why the questions about dose, form and quality start to matter.
Red, black or yellow: are the maca root colours different?
If you've compared products you'll have noticed maca comes in different colours. That isn't marketing — it reflects the natural pigment of the root:
- Yellow maca is the most common and makes up the bulk of the harvest. It's the everyday, widely available type.
- Red maca is rarer and prized for its milder, slightly sweeter taste.
- Black maca is the least common of the three and tends to command the highest price.
People often search "red maca vs black maca" expecting a clear winner. The honest answer is that the colours differ mainly in availability, taste and price, and many supplements simply use a blend. There's no requirement to chase a particular colour — what matters far more is the dose, the quality of the root and how transparent the brand is about what's in the pot.
Maca root powder vs maca capsules: which form suits you?
Maca reaches you in two main formats, and the right one is mostly about habit and taste rather than one being "better":
- Maca root powder is flexible — you can stir it into a smoothie, coffee or porridge and adjust how much you use. The trade-off is the taste, which is earthy and a little malty, and the faff of measuring it out.
- Maca capsules are the no-fuss route: a fixed amount, no flavour to get past, easy to take with water and simple to travel with. The trade-off is less flexibility over the exact amount.
Neither is superior. If you already make a morning shake, powder folds in naturally. If you want something you'll actually remember to take every day, capsules usually win.
What does a UK maca label actually say?
Here's the part most maca articles won't tell you. In Great Britain, the benefits a supplement can claim are tightly controlled by the GB Nutrition and Health Claims Register. Maca is a botanical whose health claims are currently "on hold" and not authorised — which means a responsible UK brand cannot legally tell you that maca does anything for your energy, mood, hormones, libido or stamina, however common those claims are online.
So if a UK product makes big promises about what the maca itself will do, that's a red flag, not a selling point. A trustworthy label sticks to describing the plant, the dose and the form — and only makes a benefit claim where an added nutrient has an authorised claim behind it.
That's where added minerals come in. A maca supplement that also provides a meaningful amount of zinc, for example, can reference zinc's authorised functions, because those are on the register and backed by evidence. Take our own Maca Plus: each capsule delivers 5mg of zinc (50% of the NRV), so the label can honestly state that zinc contributes to the maintenance of normal testosterone levels in the blood, to normal fertility and reproduction, and to normal cognitive function. Those are claims about the zinc — not the maca — and that distinction is the whole game when you're reading a UK supplement.
What to look for in a UK maca supplement
Once you've set the hype aside, choosing a maca product comes down to a handful of practical checks:
| What to check | Why it matters | A good sign |
|---|---|---|
| Maca dose per serving | Tiny amounts hidden in a long blend tell you little. You want the maca content stated clearly. | The milligrams of maca root are printed per capsule or serving (e.g. 3000mg). |
| Form | Powder vs capsule changes how it fits your routine. | The format matches how you'll actually take it day to day. |
| Origin | Traditional maca is Peruvian; provenance is a quality signal. | The root's origin (e.g. Peruvian) is stated. |
| Added nutrients | Only authorised nutrients (like zinc) can carry a benefit claim. | Any added vitamin or mineral is present at a meaningful % NRV, not a token pinch. |
| Honest claims | Unauthorised botanical benefit claims signal a brand that plays fast and loose. | Benefit claims are limited to authorised nutrient functions. |
| Manufacturing | Standards affect consistency and safety. | Made in the UK to GMP standards; suitable-for labels (vegan, halal, kosher) that match your needs. |
Our Maca Plus is built around this checklist: 3000mg of Peruvian maca root per capsule alongside a blend of botanicals (ginseng, ginkgo, ginger, L-arginine and damiana), plus the honestly dosed 5mg of zinc, in a UK-made, GMP-certified capsule that's suitable for vegans and vegetarians. Ninety capsules per pot, taken one to three times a day with water.
Is maca root safe? Any side effects?
Maca has a long history of being eaten as a food in the Andes, and for most healthy adults it's generally well tolerated as a food supplement. As with any supplement, a few sensible caveats apply: some people find larger amounts don't sit well with their digestion, so it's reasonable to start modestly. If you're pregnant or breastfeeding, taking any medication, or managing a health condition, check with your GP or pharmacist before starting maca — that's standard advice for any new supplement, not a maca-specific warning. And remember a food supplement is exactly that: a top-up, not a substitute for a varied, balanced diet and a healthy lifestyle.
How does maca fit with other botanicals?
Maca is often grouped with the "adaptogen" botanicals that have had a moment in UK wellness — most notably ashwagandha. The same rules apply across the board: these are interesting plants with long traditional histories, but their benefit claims are on hold in GB, so the smart approach is to learn what each one actually is rather than chase promises. If you want the same honest treatment of another popular botanical, our guide to the ashwagandha hype and what KSM-66 means is a good next read, and you can see the same standards in our Ashwagandha KSM-66 blend.
Frequently asked questions
What is maca root good for?
Maca is a nutrient-dense Andean root vegetable that people take as a daily food supplement. Because maca's health claims are on hold in the UK, we can't attribute specific benefits to the maca itself. What a maca supplement can tell you about is any added authorised nutrient — for instance, the zinc in a blend, which contributes to the maintenance of normal testosterone levels in the blood, to normal fertility and reproduction, and to normal cognitive function.
How do you take maca root?
Powder can be stirred into smoothies, coffee, porridge or baking. Capsules are taken with water. With our Maca Plus capsules, the usual approach is one capsule, one to three times a day, with or after food.
Is maca root the same as maca powder?
Essentially yes — maca root powder is simply the dried root milled into a fine powder. Capsules contain that same root material in a fixed, no-taste dose.
What's the difference between red, black and yellow maca?
The colours reflect the natural pigment of the root and differ mainly in availability, taste and price. Yellow is the most common, red is milder and sweeter, and black is the rarest. Many products use a blend, and no single colour is required.
Does maca have side effects?
Maca is generally well tolerated as a food supplement in healthy adults. Start modestly, don't exceed the recommended daily dose, and if you're pregnant, breastfeeding, on medication or managing a health condition, speak to your GP or pharmacist first.
This article is general information, not medical advice. Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. Written by the ActivGen team.