Supplement Review

Andro 400 Review: Does This Testosterone Booster Actually Work?

An evidence-based review of Andro 400's eurycoma longifolia formula: what the science says, what it cannot do, and when physician-supervised TRT is the better path.

By Strong Health Editorial TeamMedically Reviewed10 min read

Andro 400 is one of the most heavily marketed over-the-counter testosterone boosters on the market. With promises of increased energy, reduced body fat, and restored vitality, it targets men who are experiencing symptoms of low testosterone but are not yet ready, or not aware they need, to see a physician.

But does it actually work? Let's look at the evidence objectively: what Andro 400 contains, what the research actually shows, and when this type of supplement makes sense versus when you need something more.

What Is Andro 400?

Andro 400 is a dietary supplement whose primary active ingredient is Eurycoma longifolia, commonly known as tongkat ali or longjack. This Southeast Asian plant has been used in traditional medicine for centuries and has attracted research interest for its potential effects on male hormonal health.

The product is marketed as a natural testosterone booster that can increase energy, reduce belly fat, and improve overall vitality. It is available without a prescription and typically costs between $30 and $50 per month, making it an accessible entry point for men concerned about their testosterone levels [6].

The Science Behind Eurycoma Longifolia

To its credit, eurycoma longifolia is one of the better-studied herbal ingredients in the testosterone booster market. Multiple studies have investigated its effects, and there is some evidence of modest benefit, but the picture is more complex than supplement marketing suggests.

A 2013 study published in the Journal of the International Society of Sports Nutrition found that tongkat ali supplementation in moderately stressed adults was associated with improved stress hormone profile (reduced cortisol) and modest improvements in testosterone status [1]. Another study in 2014 showed some testosterone support in physically active seniors [2].

A 2022 systematic review and meta-analysis found that eurycoma longifolia supplementation may improve serum total testosterone in men, but the authors noted that the quality of available evidence was moderate and that the clinical significance of the increases was uncertain [3].

The key takeaway: Eurycoma longifolia may offer modest support for testosterone levels, particularly in stressed or aging men, but the effects are small, variable, and nowhere near what pharmaceutical TRT can achieve for men with clinically diagnosed low testosterone.

The Supplement vs. Medicine Gap

This is where honesty matters. There's a fundamental gap between what an OTC supplement can do and what physician-supervised testosterone replacement therapy can do. They're not equivalent options on a spectrum: they're fundamentally different approaches.

A supplement like Andro 400 may support your body's own testosterone production to a modest degree. Prescription TRT, on the other hand, directly restores testosterone levels to a clinically optimal range, with the dosage precisely calibrated based on your blood work and symptoms [4].

For a man with testosterone levels of 180 ng/dL who is experiencing fatigue, brain fog, low libido, and muscle loss, an herbal supplement is not going to move the needle in a meaningful way. For a man at 450 ng/dL who wants to optimize his overall health and is not yet symptomatic, lifestyle changes and supplementation might be a reasonable starting point.

What Andro 400 Does Not Include

One of the biggest concerns with OTC testosterone boosters isn't the supplement itself. It's what's missing from the experience:

  • No blood work: You don't know your baseline testosterone level, so you can't measure whether the supplement is actually working
  • No physician oversight: No one's monitoring for potential issues or adjusting your approach
  • No thorough assessment: Low testosterone symptoms can overlap with thyroid issues, sleep apnea, depression, and other treatable conditions
  • No safety monitoring: Even "natural" supplements can interact with medications or mask underlying conditions

Side-by-Side: Andro 400 vs. Physician-Supervised TRT

FeatureAndro 400Strong Health
Active MechanismEurycoma longifolia (tongkat ali) extractPharmaceutical-grade testosterone (cypionate/enanthate)
Clinical EvidenceLimited human trials; modest effects in some studiesDecades of clinical data; FDA-approved protocols
Expected T Increase0–15% in some studies; highly variableClinically significant; titrated to optimal levels
Physician OversightNone; OTC supplementDirect physician supervision for every patient
Lab MonitoringNot includedFull 40+ biomarker panel
Cost (Monthly)$30–$50/month retailIncludes labs, consults, treatment, and monitoring
FDA RegulationDietary supplement (not evaluated by FDA)FDA-approved prescription medications
Side Effect MonitoringSelf-managedPhysician-monitored with regular lab work
Who It Works ForMay support men with mild, borderline levelsClinically diagnosed hypogonadism or suboptimal T

Cost Analysis: Is Andro 400 Actually Cheaper?

At $30–$50 per month, Andro 400 looks like a bargain compared to physician-supervised TRT. But this comparison is misleading for several reasons:

First, you are comparing a product with uncertain efficacy to a proven medical treatment. Spending $50/month on something that may not work is not cheaper than spending more on something that does.

Second, TRT pricing at Strong Health includes full lab work, physician consultations, ongoing monitoring, and the medication itself. When you add up the cost of buying supplements, paying for your own lab work (which you should be doing anyway), and potentially wasting months on ineffective treatment, the value proposition shifts significantly.

When Might Andro 400 Make Sense?

We believe in intellectual honesty, so here are situations where trying a supplement like Andro 400 is not unreasonable:

  • You have confirmed through blood work that your testosterone is in the normal range and you are looking for marginal optimization
  • You are under significant stress and want to try a natural cortisol-management approach first
  • You have discussed it with your physician and they agree it is a reasonable starting point

Notice the common theme: even when supplements make sense, they work best alongside medical guidance, not instead of it.

The Bottom Line on Andro 400

Andro 400 contains a legitimate herbal ingredient with some scientific backing. It's not a scam, but it's also not a substitute for medical treatment of low testosterone.

If you're experiencing genuine symptoms of low testosterone (persistent fatigue, declining libido, brain fog, muscle loss, increased body fat), the most important step is getting proper blood work and a clinical evaluation. A $40/month supplement can't tell you whether your testosterone is at 180 or 580 ng/dL, and that distinction fundamentally changes the right course of action.

The evidence-based path: get tested, get a diagnosis, then choose the right treatment, whether that is lifestyle optimization, supplementation, or physician-supervised TRT.

Frequently Asked Questions

Does Andro 400 actually work to increase testosterone?+
Andro 400 contains eurycoma longifolia (tongkat ali), which has shown modest testosterone-supporting effects in some clinical studies, particularly in stressed or older male populations. However, the evidence is limited and the effects are generally small compared to pharmaceutical testosterone replacement therapy. For men with clinically diagnosed low testosterone, OTC supplements like Andro 400 are unlikely to produce meaningful, sustained increases.
What are the side effects of Andro 400?+
Andro 400 is generally considered safe for most adults when used as directed. Reported side effects of eurycoma longifolia are uncommon but may include restlessness, insomnia, and irritability. Because Andro 400 is a dietary supplement, it is not evaluated by the FDA for safety or efficacy, and long-term studies are limited.
Is Andro 400 better than prescription TRT?+
They serve different purposes. Andro 400 is an OTC supplement that may provide modest support for men with borderline testosterone levels. Prescription TRT is a medically supervised treatment that delivers clinically significant testosterone increases for men diagnosed with hypogonadism. If your testosterone levels are genuinely low and causing symptoms, prescription TRT under physician supervision is the evidence-based approach.
How long does it take for Andro 400 to work?+
According to the manufacturer, Andro 400 may take 2 to 4 weeks to show effects. However, clinical studies on eurycoma longifolia typically measure outcomes over 4 to 12 weeks, and results are highly variable between individuals. Many users report no noticeable changes.
Can I take Andro 400 with prescription medications?+
You should consult your physician before combining Andro 400 with any prescription medications, particularly hormone therapies, blood pressure medications, or blood thinners. Eurycoma longifolia may interact with certain medications, and a physician can assess whether it is safe for your specific situation.
What is the difference between tongkat ali and prescription testosterone?+
Tongkat ali (eurycoma longifolia) is a plant extract that may indirectly support the body's own testosterone production through stress reduction and modulation of cortisol levels. Prescription testosterone is bioidentical testosterone that directly raises testosterone levels to a clinically targeted range. The difference in potency and reliability is substantial.

Ready for Evidence-Based Hormone Optimization?

Skip the supplements. Talk to a physician who specializes in testosterone therapy.

References & Citations

  1. [1]Talbott SM, Talbott JA, George A, Pugh M. Effect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjects. J Int Soc Sports Nutr. 2013;10(1):28.
  2. [2]Henkel RR, Wang R, Bassett SH, et al. Tongkat Ali as a potential herbal supplement for physically active male and female seniors. Phytother Res. 2014;28(4):544-550.
  3. [3]Leisegang K, Finelli R, Henkel R. Eurycoma longifolia (Jack) Improves Serum Total Testosterone in Men: A Systematic Review and Meta-Analysis of Clinical Trials. Medicina. 2022;58(8):1047.
  4. [4]Bhasin S, Brito JP, Cunningham GR, et al. Testosterone Therapy in Men with Hypogonadism: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2018;103(5):1715-1744.
  5. [5]Travison TG, Araujo AB, O'Donnell AB, et al. A population-level decline in serum testosterone levels in American men. J Clin Endocrinol Metab. 2007;92(1):196-202.
  6. [6]US Food and Drug Administration. Dietary Supplements. FDA.gov. Accessed 2025.

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