Black Wood Tea

What the vendor page documents

Black Wood Tea is a botanical tea sold as a one-month supply and marketed to men for erection quality, stamina and libido. It arrives as tea bags rather than capsules or a powder, and the page says to brew and drink it daily.

The offer page names a long botanical list. The core seven are muira puama (called "Potency Wood"), catuaba, guarana, tribulus terrestris, tongkat ali, lemongrass and ginger. A second group adds orange peel, dandelion leaf, cinnamon bark, beetroot extract, green tea and oolong tea. The sales page describes a "19-ingredient Vietnamese brew" but does not publish a full, numbered panel or milligram amounts for any ingredient. Two gaps follow: the complete list cannot be verified, and the strength of the active herbs is unknown.

Pricing is one month at $69 as a limited first-50 price (the page says it returns to $99 afterwards), three months at $59 per month ($177) and six months at $49 per month ($294), plus $9.95 shipping on the smaller packs. The vendor states a 60-day money-back guarantee and displays an aggregate of over 73,000 reviews without a numeric star rating. The page says the tea is made in the USA and tested by an independent third-party lab.

What the page claims — and what it does not prove

The page is a long story-driven sales letter. It claims the tea was discovered in a Vietnamese village, that it addresses "venous leakage" — described as the real cause of erection problems — and that it was validated by research from Johns Hopkins University. It promises on-demand erections, stronger stamina and a restored sex life, with testimonial-style stories from named men in Austin, Miami and San Diego.

There are three evidence problems. First, no Johns Hopkins study of this tea is linked or named; the page describes the institution but not a citation. Second, the "venous leakage" framing is a simplified version of a real but complex vascular problem — it is not a diagnosis a tea can patch, and the phrase "patch the leak" is marketing, not physiology. Third, the ingredient doses are unpublished, so even the individual-herb research cannot be matched to the product.

The testimonials are written in the same voice as the sales letter and describe outcomes — "on demand" erections, a "second honeymoon" — that no tea has been shown to produce. We record the Johns Hopkins framing, the venous-leak claim and the on-demand promise as exaggerated-claims red flags. The page's explicit language is also paraphrased here rather than repeated.

What the ingredients are studied for

• Tongkat ali (Eurycoma longifolia) has small trials on stress hormones, mood and some sexual-wellbeing measures. Testosterone effects are inconsistent.
• Muira puama is a traditional Amazonian tonic with very limited modern human research on libido.
• Catuaba is traditionally used as a stimulant and aphrodisiac. Controlled human evidence is essentially absent.
• Guarana contains caffeine and provides stimulation; it can raise heart rate and blood pressure and disturb sleep.
• Tribulus terrestris is marketed for testosterone, but controlled trials have generally not shown a meaningful increase in men with normal levels.
• Beetroot provides dietary nitrates and has modest evidence for exercise blood flow and blood pressure.
• Green tea and oolong provide caffeine and polyphenols; they are pleasant, not an erection treatment.
• Ginger, lemongrass, cinnamon, orange peel and dandelion are culinary botanicals with antioxidant or digestive uses. They do not treat vascular erectile dysfunction.

The honest summary: a stimulant-containing herbal tea with several traditionally used aphrodisiac plants, most of which lack strong human evidence, in unpublished amounts, sold with a medical-style origin story.

Safety and who should be cautious

• Caffeine load: guarana, green tea and oolong add stimulants. If you are sensitive to caffeine, have palpitations, anxiety or insomnia, or take stimulant medication, this matters.
• Blood pressure and heart disease: stimulants plus beetroot can affect blood pressure and heart rate. Erectile dysfunction can be a vascular warning sign; get it assessed rather than self-treating.
• Prescription ED drugs and nitrates: do not combine an unlabelled herbal tea with PDE5 inhibitors or nitrates without medical advice; blood pressure can drop dangerously.
• Prostate and hormone-sensitive conditions: tongkat ali and tribulus are marketed as hormonal; men with prostate cancer should avoid unlabelled hormonal products.
• Bleeding and surgery: several herbs may affect clotting. Stop before surgery and tell your surgeon.
• Pregnancy, breastfeeding and under-18s: not appropriate.
• Allergy: the full panel is not published, which makes allergen avoidance harder.

Who it may suit — and who it does not

Black Wood Tea may suit an adult man who enjoys a daily tea ritual, tolerates caffeine, has no cardiovascular disease, and values the 60-day refund — provided he asks for the full 19-ingredient panel first. It is a poor fit for anyone with heart disease, uncontrolled blood pressure, caffeine sensitivity, prostate disease, or an expectation of on-demand erections. It is also a poor fit for readers who want documented doses, because the page does not provide them.

Our men's health category lists what we track, including SpartaMax, Vigortrix and Alpha Surge. The comparison tool only pairs products in the same category, and our men's health guide explains the difference between prostate, testosterone and performance products. The methodology page shows how missing doses affect the score.

What to check before buying

1. Ask for the full ingredient panel with milligrams — the page claims 19 ingredients but does not publish them all.
2. Check the price you will actually pay: $69 is the promotional single-month rate; the standard page price is $99.
3. Confirm the 60-day guarantee in writing and who pays return shipping.
4. Check the caffeine content if you are sensitive or take stimulant medication.
5. Talk to a doctor about persistent erection problems before using any supplement.

How the score treats this product

The score rewards the documented 60-day guarantee, the one-time purchase, the named botanical list and the capture date. It does not award evidence points for the partial panel, the unpublished doses or the absent product trial, and it records the Johns Hopkins framing, the venous-leak theory and the on-demand promise as exaggerated-claims red flags. The 73,000+ review aggregate is shown as a labelled claim and is excluded from the score. The result reflects disclosure and commercial terms, not a medical judgment.

Sources

• Black Wood Tea official page (captured 2026-11-08)
• National Institute of Diabetes and Digestive and Kidney Diseases — Erectile Dysfunction
• NCCIH — Erectile Dysfunction and Complementary Health Approaches
• MedlinePlus — Guarana
• MedlinePlus — Tribulus

Editorial content by the ViaReviews Research Team, last reviewed 2026-11-08. Informational only, not medical advice.