Quick answer
In a 12-week placebo-controlled trial, men taking maca reported improved sexual desire starting at week 8, not in the first weeks. Plan on at least 8–12 weeks of consistent daily use before judging any maca product.
Maca isn't a fast-acting herb. Here is what the research suggests about timing.
What the trial showed
In the most-cited randomized trial in healthy men, improvements in self-reported desire appeared from week 8, compared with placebo. No change was seen in the first weeks.
A realistic timeline
Weeks 1–4
Build the habit. Most people notice little.
Weeks 5–8
This is when changes, if any, tend to start.
Weeks 8–12
The fairest window to judge.
What this means for SodaPeak
SodaPeak contains maca alongside seven other botanicals at a much smaller total dose than the trial. Give any routine 60–90 days; that's why the 3- and 6-bottle bundles are popular. See our 90-day plan.
Why botanicals take time
Unlike medicines designed to act within hours, food-based botanicals like maca are studied over weeks. Effects, if any, tend to build gradually, which is why trial results are typically measured at 8 or 12 weeks rather than days.
What the systematic review says about timing
The systematic review included trials lasting from several weeks to a few months. Positive results appeared in the longer trials, while the evidence overall remained limited. That supports giving maca at least two to three months before deciding.
How to track whether it's working
- Write down your energy, mood and desire on a 1–10 scale before you start.
- Rate them again every two weeks.
- Keep other habits stable so you can compare fairly.
- Review at weeks 8 and 12.
Things that can mask results
- Short sleep; the CDC recommends 7+ hours.
- High stress; see stress and libido.
- Heavy drinking; see alcohol and performance.
- Inconsistent use or missed doses.
Does dose change the timeline?
Trials used 1,500–3,000 mg a day. Products with less may take longer or have smaller effects. There's no evidence that taking more than the label serving speeds things up, so stick to the directions.
How to judge a product that contains maca
- Find the amount. Is it listed on its own, or hidden in a proprietary blend?
- Compare with research doses. If studies used grams and a product contains milligrams, expect a gentler effect, if any.
- Check the company. A named distributor and a complete label are basic trust signals; see how to read a supplement label.
- Look for realistic claims. The FDA warns that some "natural" enhancement products contain hidden drug ingredients.
- Give it time. Botanicals are typically studied over 8–12 weeks.
The bottom line
Plan on 8–12 weeks. If you're using SodaPeak, set a reminder for around day 50 so you can decide while the 60-day guarantee still applies; see how refunds work.
Common mistakes that delay results
- Stopping after two or three weeks.
- Taking it irregularly.
- Switching products frequently.
- Expecting it to fix sleep, stress or medical issues on its own.
What "working" might look like
In the trial in healthy men, the measured change was self-reported sexual desire. Some people also report steadier energy or mood. Changes, if any, tend to be gradual rather than dramatic.
When to stop
Stop if you notice side effects such as stomach upset, headaches or sleep problems, and speak with a doctor if they persist. If you see no difference after 12 weeks of consistent use, it may simply not suit you.
Combining maca with lifestyle changes
Results are easier to notice when the basics are in place. During your 12-week trial period, aim for 7+ hours of sleep, regular exercise following the CDC guidelines, and moderate alcohol. That way, you're giving maca the best chance and building habits that pay off regardless of the supplement.
Our take
Maca is a slow, gentle herb. Expect to wait at least 8 weeks, track your progress honestly, and keep lifestyle habits steady so you can tell whether it's helping. If you're trying SodaPeak, which contains maca with seven other botanicals, plan your review before the 60-day guarantee window closes.
Frequently asked questions
Can I feel maca on the first day?
Some people report a mild energy lift, but the main trial found changes in desire only from week 8, so early effects are not what studies measured.
Does taking more maca make it work faster?
There is no evidence for that. Stick to the label dose of any product; for SodaPeak that is one gummy a day.
What if I see no change after 12 weeks?
It may not suit you. If you bought SodaPeak from the official store, the 60-day guarantee gives you a way to request a refund, so decide before day 60.
Does maca stop working over time?
There is no good evidence of tolerance, but long-term studies are limited.
Should I take maca with food?
Either way is fine; with food may suit sensitive stomachs.
Sources
This article is for general information and is not medical advice. These statements have not been evaluated by the FDA. We may earn a commission from purchases made through links on this page. See our affiliate disclosure.