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Horse Boost Side EffectsDoes Horse Boost Have Side Effects? What the Label Says
No side effects appear in the published Horse Boost review set, and the amounts per gummy are small.
Each gummy has an 82 mg blend, 5 mg of caffeine and 3 g of added sugar. The label asks you to see a doctor first if pregnant, nursing, on medication or with a medical condition.
Check whether it suits you: who it is for.
Every ingredient-level signal on this panel, named, with the size of the amount here set against the size of the amount it was found at.
The three Horse Boost ingredients with a real safety literature
Green tea extract and the liver
The one genuine hepatic signal on this panel. The systematic review of green tea safety identifies the liver as the target organ, links the effect to catechin and EGCG content, and derives a safe intake of 338 mg of EGCG a day for a solid bolus dose, with an observed safe level of 704 mg in beverage form. Green tea also appears among the commoner botanical causes in the study of supplement-related liver injury, and LiverTox keeps the running record.
At the amount here: the entire blend is 82 mg and nine names share it, so the green tea fraction cannot approach those figures. The practical point is additive: if you take a separate green tea extract, count the two together.
Ashwagandha and the liver
A smaller and more recent signal. LiverTox catalogues rare cases of clinically apparent liver injury with ashwagandha, generally at full extract doses taken for weeks. NCCIH's page carries the same caution in plain language.
At the amount here: far below any dose at which those reports arose. Worth knowing the entry exists rather than worth worrying about.
L-arginine and nitrates
Arginine is the substrate for nitric oxide, and nitric oxide is how nitrates for angina work. The trials that found an effect used 1,500 to 5,000 mg a day, which is where the interaction lives.
At the amount here: whatever share of 77 mg is present, which is at most a twentieth of the smallest trial dose. This is still the one interaction to raise unprompted, because the consequence at real doses is a blood pressure drop.
What else is in a Horse Boost gummy that could matter
| Component | Per gummy | What to weigh |
|---|---|---|
| Caffeine | 5 mg | About a twentieth of a mug of coffee. The sleep literature would not predict an effect at this amount, and MedlinePlus is the plain-language reference. |
| Added sugar | 3 g | 90 g over a bottle, 540 g over a six-bottle run. The clearest reason to choose a capsule instead if you are managing intake. |
| Sorbitol | not published | A sugar alcohol used here as a humectant. Sorbitol is laxative in quantity; the quantity in one gummy is small and unpublished. |
| Tribulus terrestris | inside the blend | The 2025 review of ten studies reported no significant safety findings at 400 to 750 mg a day. |
| Horny goat weed | inside the blend | Its flavonoid is a weak PDE5 inhibitor in vitro. There is no human dose record, which is itself a reason for the caution about medication. |
| The other five names | inside the blend | Muira puama, maca, catuaba, green tea and ashwagandha. The review of adverse effects reported for herbal sexual enhancers is the broad survey. |
What the Horse Boost label instructs, and what to do about it
The warning panel prints four clauses and they are reproduced exactly: “If you are pregnant or nursing, take medications or have a medical condition, consult your doctor before using. Discontinue use and consult your doctor is any adverse reactions occur.”
Before the first gummy
If you take any prescription, ask once, naming this product and the nine ingredients. Nitrates are the specific case. If you are managing blood sugar, the 3 g of added sugar is the figure to raise, not the botanicals.
If something changes
Stop. The label says discontinue use and it means it. A reaction to a nine-botanical blend is not something to work through, because there is no way to tell which name caused it.
Then use the window
Ring +1 (302) 200-3480 with the order number inside sixty days of the purchase date. Opened bottles are accepted and an adverse reaction is exactly the case the window exists for.
Of 776 supplements the FDA warned about between 2007 and 2016, 353 were sold for sexual enhancement, usually for undeclared sildenafil analogues, and the worldwide review describes the same pattern outside the United States. Nobody has assayed this product and nothing here suggests it is adulterated. The base rate is the reason to buy through a channel with a lot number, a telephone line and a refund window rather than from an unnamed marketplace seller.
Horse Boost side effects: common questions
Does Horse Boost have side effects?
No adverse reaction is reported in the distributor's published review set. At 82 mg of blend and 5 mg of caffeine the amounts are small, and most of what is worth knowing concerns the named ingredients rather than the quantities.
Can Horse Boost affect sleep?
Five milligrams of caffeine is about a twentieth of a mug of coffee and the sleep literature would not predict an effect at that amount. Anyone unusually sensitive can take it in the morning.
Is green tea extract in Horse Boost safe?
The published safe intake for a solid dose is 338 mg of EGCG a day. An 82 mg blend shared between nine names is far below that. Anyone taking a separate green tea extract should add the two together.
Does Horse Boost interact with blood pressure medicine?
L-arginine feeds the nitric oxide pathway, which is how nitrates for angina work. At the doses used in trials that is a real interaction; at whatever share of 77 mg is present here it is very unlikely to be material. It is still the conversation to have first.
What should I do if I react badly to Horse Boost?
The label says discontinue use. Then use the guarantee: call +1 (302) 200-3480 with the order number, inside sixty days of the purchase date.
Sources behind this Horse Boost safety page
Thirteen sources. The three ingredient signals carry four between them; the rest cover the category and the two amounts this label prints.
- Hu J, Webster D, Cao J, et al. The safety of green tea and green tea extract consumption in adults - Results of a systematic review. Regul Toxicol Pharmacol. 2018;95:412-433. PMID 29580974. https://pubmed.ncbi.nlm.nih.gov/29580974/
- Navarro VJ, Khan I, Björnsson E, et al. Liver injury from herbal and dietary supplements. Hepatology. 2017;65(1):363-373. PMID 27677775. https://pubmed.ncbi.nlm.nih.gov/27677775/
- Green Tea. LiverTox: Clinical and Research Information on Drug-Induced Liver Injury. National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda MD. https://www.ncbi.nlm.nih.gov/books/NBK547925/
- Ashwagandha. LiverTox: Clinical and Research Information on Drug-Induced Liver Injury. National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda MD. https://www.ncbi.nlm.nih.gov/books/NBK548536/
- Ashwagandha. National Center for Complementary and Integrative Health, National Institutes of Health. https://www.nccih.nih.gov/health/ashwagandha
- Rhim HC, Kim MS, Park YJ, et al. The Potential Role of Arginine Supplements on Erectile Dysfunction: A Systemic Review and Meta-Analysis. J Sex Med. 2019;16(2):223-234. PMID 30770070. https://pubmed.ncbi.nlm.nih.gov/30770070/
- Clark I, Landolt HP. Coffee, caffeine, and sleep: A systematic review of epidemiological studies and randomized controlled trials. Sleep Med Rev. 2017;31:70-78. PMID 26899133. https://pubmed.ncbi.nlm.nih.gov/26899133/
- Caffeine. MedlinePlus, U.S. National Library of Medicine. https://medlineplus.gov/caffeine.html
- Vilar Neto JO, de Moraes WMAM, Pinto DV, et al. Effects of Tribulus (Tribulus terrestris L.) Supplementation on Erectile Dysfunction and Testosterone Levels in Men-A Systematic Review of Clinical Trials. Nutrients. 2025;17(7). PMID 40219032. https://pubmed.ncbi.nlm.nih.gov/40219032/
- Li J, Wu Y, Yu X, et al. Isolation, bioassay and 3D-QSAR analysis of 8-isopentenyl flavonoids from Epimedium sagittatum maxim. as PDE5A inhibitors. Chin Med. 2022;17(1):147. PMID 36587222. https://pubmed.ncbi.nlm.nih.gov/36587222/
- Brunetti P, Lo Faro AF, Tini A, et al. Pharmacology of Herbal Sexual Enhancers: A Review of Psychiatric and Neurological Adverse Effects. Pharmaceuticals (Basel). 2020;13(10). PMID 33066617. https://pubmed.ncbi.nlm.nih.gov/33066617/
- Tucker J, Fischer T, Upjohn L, et al. Unapproved Pharmaceutical Ingredients Included in Dietary Supplements Associated With US Food and Drug Administration Warnings. JAMA Netw Open. 2018;1(6):e183337. PMID 30646238. https://pubmed.ncbi.nlm.nih.gov/30646238/
- Yéléhé-Okouma M, Pape E, Humbertjean L, et al. Drug adulteration of sexual enhancement supplements: a worldwide insidious public health threat. Fundam Clin Pharmacol. 2021;35(5):792-807. PMID 33484004. https://pubmed.ncbi.nlm.nih.gov/33484004/
Order Horse Boost with the warning read
Four clauses on the bottle, three named signals on this page, and a sixty-day window that covers an adverse reaction as readily as a disappointment.
Two bottles $158 · six bottles $294 · 60 days from purchase to change your mind
Order Horse Boost On The Official WebsiteOne gummy a day · 30 a bottle · lot HOR-26/HO-4117
