Horsewood Official Website › Safety and interactions
Horsewood Safety And Interactions: What To Raise With A Pharmacist
The Horsewood bottle prints its own caution and this page reproduces it. Beyond that, three rows matter: horny goat weed alongside nitrates and blood pressure medication, saw palmetto alongside anticoagulants, and boron alongside any other boron supplement. The rest have no established interaction at the amounts printed here.
The printed caution, then seven specific conversations rather than one general instruction to be careful.
The caution printed on the Horsewood bottle
Reproduced in full, because reproducing the label is the discipline this website runs on.
“Do not exceed recommended dose. Pregnant or nursing mothers, children under the age of 18 and individuals with a known medical condition should consult a physician before using this or any dietary supplement.”
“Keep out of the reach of children. Do not use if safety seal is damaged or missing. Store in a cool, dry place.”
That is the manufacturer’s wording, reproduced. Everything below is this desk adding specifics to it, because a general instruction to be careful is the least actionable sentence in the category.
Interactions worth raising, row by row on the Horsewood panel
| Row | The interaction that matters | How much it matters here |
|---|---|---|
| Saw palmetto, 20 mg | Associated with bleeding. Relevant alongside warfarin, apixaban, clopidogrel or aspirin, and before surgery. | Worth raising. The amount here is small, which lowers the risk and does not remove the conversation. |
| Horny goat weed, 8 mg | Nitrates first, then blood pressure medication and anticoagulants. Icariin acts on the same enzyme family a prescription erectile medicine does. | The most important line on this page. A nitrate interaction in this category is the one that is genuinely dangerous. |
| Boron, 20 mg of chelate | Accumulation. The question is whether you take boron in anything else. | Worth checking, and impossible to calculate here because the elemental figure is not printed. |
| Tongkat ali, 10 mg of a 100:1 | No well-established drug interaction. Separately, mercury contamination has been reported in tongkat ali preparations sold in Malaysia, which is an argument for a sourcing chain with a lot number attached. | Low, and the contamination literature is about the supply chain rather than about the plant. |
| Nettle leaf, 20 mg | Leaf extract has been studied in type 2 diabetes and blood glucose is the thing to watch if you are treated for it. | Low at this amount, and worth a mention to anyone adjusting diabetes medication. |
| Wild yam, 20 mg | No established interaction. | Low. |
| Sarsaparilla, 20 mg | No established interaction, and effectively no human data of any kind. | Unknown rather than low, and the honest word for it is unknown. |
This table is a prompt for a conversation with a pharmacist, not a substitute for one. Take the bottle with you; the panel prints everything needed.
Side effects associated with the Horsewood panel
No adverse event has been reported to this desk for lot HOR-26/HO-8034. That is a statement about this desk’s post bag and about nothing else, and it should be read as narrowly as it is written.
What the ingredient literature associates with these plants, at the amounts the literature used rather than the amounts printed here:
- Saw palmetto: mild digestive upset and headache, infrequent, and NCCIH records it as used safely in studies for up to three years. It also notes that saw palmetto does not appear to change a PSA reading, which contradicts a caution repeated across this category.
- Nettle: mild gastrointestinal effects.
- Tongkat ali: restlessness and difficulty sleeping in some reports, at amounts far above this row.
- Boron: nausea and headache well above nutritional amounts.
- Liver injury is the serious one to know about across herbal supplements generally, described in Navarro 2017, on liver injury from herbal and dietary supplements. Stop and seek advice if dark urine, pale stools, persistent nausea or yellowing of the eyes appear.
The risk that has nothing to do with the Horsewood panel
The best-documented hazard in the men’s supplement aisle is not on any panel, because it is not declared. Undeclared prescription PDE5 drugs turn up routinely in products sold for this purpose: Tucker 2018 counted them across FDA warnings, and Akuamoa 2022 screened herbal supplements and found them by analysis.
Nothing of the kind is declared on this panel, and an adulterated product would look exactly the same on paper. That is the whole argument for buying through a channel that issues an order ID, ships from a lot with a number on it, and has a desk that answers the phone. It is not a guarantee of purity. It is somebody to ask.
If a bottle arrives with a broken seal, a label that does not match the panel transcribed on the label page, or a lot that is not HOR-26/HO-8034, call the order desk on +1 (641) 711-1414 and email [email protected] with a photograph. The batch page explains what to look for.
How this Horsewood page was written
This desk publishes what the bottle says, and marks the places where the seller’s page says more than the bottle does. The four claims below are the ones a sceptical reader can audit in ten minutes, which is the only reason worth making them:
- The label is the source. The seven panel rows and their milligrams, the two-capsule serving, the thirty servings, the sixty capsules, the other ingredients and the printed caution all come from the label artwork the manufacturer ships, read directly. Not from a review column and not from an affiliate summary.
- Where two sources disagree, both appear. The panel prints seven active rows. The named list this desk holds carries six of them and the manufacturer’s own listing graphic draws the same six. Sarsaparilla is the seventh. That difference is set out on the label page rather than tidied away, and it is the reason this website counts seven.
- Sources are real and linked in the sentence. Every study cited here was pulled through the NCBI interface and read before it was written down, and swept twice for retractions: once at paper level and once at author level. Two candidate papers were dropped at the second sweep. Every government page was opened in a browser and checked by the title it returned, and four candidate links were dropped for returning a 404 that a careless writer would have shipped.
- Prices are quoted with a date. The supplier publishes no ladder of its own and defers to the seller’s page. The three figures on our pricing page were read from that page on 19 September 2026 and are labelled with that date, because the seller can change them without telling us.
We earn when you buy. Horsewoodcare is the Horsewood retail desk named at the top of this page, and this website makes money on orders placed through it. That is exactly why the dose-comparison table, the two three-star reviews and the page explaining what 20 mg of saw palmetto cannot do are here: they are the places where our interest and yours pull apart, and you should be able to watch us choose.
The order desk on +1 (641) 711-1414 and [email protected] handles tracking, address changes, cancellations and refunds. It is not a sales line and this website never presents it as a way to place an order; orders go through the checkout only. Write to [email protected] about the pages themselves.
Sources for this Horsewood page
- National Center for Complementary and Integrative Health. Saw palmetto: usefulness and safety. https://www.nccih.nih.gov/health/saw-palmetto
- Franco JV, Trivisonno L, Sgarbossa NJ, Alvez GA, Fieiras C, Escobar Liquitay CM, Jung JH. Serenoa repens for the treatment of lower urinary tract symptoms due to benign prostatic enlargement. Cochrane Database Syst Rev. 2023;6(6):CD001423. https://pubmed.ncbi.nlm.nih.gov/37345871/
- Dell’Agli M, Galli GV, Dal Cero E, Belluti F, Matera R, Zironi E, Pagliuca G, Bosisio E. Potent inhibition of human phosphodiesterase-5 by icariin derivatives. J Nat Prod. 2008;71(9):1513-7. https://pubmed.ncbi.nlm.nih.gov/18778098/
- Nielsen FH. Update on human health effects of boron. J Trace Elem Med Biol. 2014;28(4):383-7. https://pubmed.ncbi.nlm.nih.gov/25063690/
- Ang HH, Lee EL, Cheang HS. Determination of mercury by cold vapor atomic absorption spectrophotometer in Tongkat Ali preparations obtained in Malaysia. Int J Toxicol. 2004;23(1):65-71. https://pubmed.ncbi.nlm.nih.gov/15162849/
- Kianbakht S, Khalighi-Sigaroodi F, Dabaghian FH. Improved glycemic control in patients with advanced type 2 diabetes mellitus taking Urtica dioica leaf extract: a randomized double-blind placebo-controlled clinical trial. Clin Lab. 2013;59(9-10):1071-6. https://pubmed.ncbi.nlm.nih.gov/24273930/
- Navarro VJ, Khan I, Björnsson E, Seeff LB, Serrano J, Hoofnagle JH. Liver injury from herbal and dietary supplements. Hepatology. 2017;65(1):363-373. https://pubmed.ncbi.nlm.nih.gov/27677775/
- Tucker J, Fischer T, Upjohn L, Mazzera D, Kumar M. Unapproved pharmaceutical ingredients included in dietary supplements associated with US Food and Drug Administration warnings. JAMA Netw Open. 2018;1(6):e183337. https://pubmed.ncbi.nlm.nih.gov/30646238/
- Akuamoa F, Bovee TFH, van Dam R, Maro L, Wesseling S, Vervoort J, Rietjens IMCM, Hoogenboom RLAP. Identification of phosphodiesterase type-5 (PDE-5) inhibitors in herbal supplements using a tiered approach and associated consumer risk. Food Addit Contam Part A. 2022;39(6):1021-1032. https://pubmed.ncbi.nlm.nih.gov/35323088/
Order Horsewood through the official checkout
Three bottles is ninety days, which clears the four to eight week wait with margin and still leaves the decision inside the 60-day window.
$49 to $79 a bottle · 60 days from purchase to change your mind
Buy Horsewood On The Official WebsiteOne payment, no subscription · 60-day money-back guarantee · lot HOR-26/HO-8034 · order desk +1 (641) 711-1414