Lycopene with ashwagandha: what the research shows

The evidence doesn't support lycopene and ashwagandha as interchangeable, and it doesn't support them as a tested combination — no trial has given people both together. They're studied for different things entirely: ashwagandha's research is mostly about stress and cortisol, while lycopene's is mostly about oxidative-stress markers, cardiometabolic outcomes, and, in observational diet studies, prostate health.

What the evidence doesn't support

It doesn't support choosing one over the other for the same purpose, since their research doesn't cover the same purpose. It doesn't support either one as a treatment for a diagnosed condition — a stress disorder, high blood pressure, high cholesterol or prostate disease. And it doesn't support lycopene and ashwagandha as a tested pair: nothing published has given people both together and measured what happens, so any claimed combined effect is a formulation idea, not a finding.

What the trials found

Ashwagandha's evidence is the more developed of the two for a specific outcome. A 2024 meta-analysis pooling 9 randomized controlled trials in 558 people found ashwagandha significantly outperformed placebo on the Perceived Stress Scale, the Hamilton Anxiety Scale, and serum cortisol, though doses varied across the pooled trials rather than converging on one figure.

Lycopene's evidence looks different, and covers different ground. A 2023 GRADE-assessed meta-analysis of 34 randomized trials tested lycopene and tomato products against blood pressure, cholesterol, blood glucose, inflammation markers and body weight in adults, and found no significant effect on any of them — the only significant change was in malondialdehyde, a marker of oxidative stress. A smaller randomized trial of 80 adults with metabolic syndrome found 20 mg/day of encapsulated lycopene for 8 weeks reduced C-reactive protein and an oxidative-stress marker versus placebo, with no change in liver enzymes. Separately, a 2017 meta-analysis of 42 observational studies covering 692,012 people found higher dietary and blood lycopene levels associated with a modestly decreased prostate cancer risk — that's diet and blood-level data, not a tested supplement effect, and it says nothing about stress, cortisol or any outcome ashwagandha is studied for.

No trial has tested lycopene and ashwagandha combined, or measured whether one works better than the other for anything. They simply haven't been compared.

Ingredient	Best evidence	Population	What it's actually studied for
Ashwagandha	Meta-analysis of 9 RCTs (558 people), significant effect on stress-scale scores and cortisol	Adults with chronic stress	Stress, cortisol, anxiety-scale scores
Lycopene	Meta-analysis of 34 RCTs, no effect on blood pressure, cholesterol, glucose or inflammation; effect on one oxidative-stress marker	Mixed adult populations across included trials	Cardiometabolic markers, oxidative stress, observational prostate-health associations

Questions people ask

Is lycopene better than ashwagandha, or the other way around?

They're not answering the same question, so "better" doesn't really apply. Ashwagandha has a specific, more consistent evidence base for stress and cortisol; lycopene's evidence is spread across cardiometabolic markers and observational prostate-health data, with a generally more mixed or null result set. Comparing them head-to-head assumes they compete for the same effect, and the research doesn't support that assumption.

Can you take lycopene and ashwagandha together?

No trial has tested that combination. Each has its own separate safety profile — see who should not take lycopene — so mentioning both to a doctor or pharmacist, especially alongside any medication, is worth doing rather than assuming two different supplement categories are automatically fine stacked together.

Does ashwagandha do anything for oxidative stress the way lycopene does?

Ashwagandha's own trials are focused on stress-scale scores and cortisol, not oxidative-stress markers the way the lycopene trials above are. The two ingredients haven't been tested against the same oxidative-stress outcome, so there's no direct comparison to report.

When to talk to a doctor

Stress that interferes with daily life, sleep or work, or a cardiometabolic concern like elevated blood pressure or cholesterol, is worth raising with a doctor. Neither lycopene nor ashwagandha is a treatment for a diagnosed stress-related or cardiometabolic condition, and nothing in the research above supports using either as a substitute for evaluation or care a doctor might recommend. Ashwagandha should be discussed with a doctor if you're pregnant or nursing, have a thyroid condition, or take other medication; lycopene carries its own separate cautions — see who should not take lycopene.

Related reading: lycopene: what the research does and doesn't show, lycopene benefits: what the research does and doesn't show, and lycopene and medications.