MemoHoney Official Website › Side Effects
Side EffectsMemoHoney Side Effects: the tingle, the flush and two real interactions
The likeliest thing a MemoHoney buyer notices is a prickling across the face and hands about half an hour after the capsule. That is beta-alanine, it is called paraesthesia, and it is harmless. The two interactions that matter are with blood-pressure medicines and with nitrates or PDE5 inhibitors, because four of the six actives share their mechanism.
What is expected, what is rare, what interacts, and the symptoms that mean stop and get assessed.
The MemoHoney side effect most people will actually meet
Common, harmless, and worth recognising before it happens.
A prickling, tingling or crawling sensation, usually across the cheeks, scalp, neck and the backs of the hands. It begins about twenty to forty minutes after the capsule, peaks quickly and is gone within an hour. It is not an allergic reaction, it does no damage, and it is the single best-documented effect of beta-alanine.
The 2019 systematic risk assessment pooled the beta-alanine literature specifically to look for harms and found paraesthesia and nothing else consistent (the 2019 risk assessment). The sports nutrition position stand reaches the same conclusion, and adds that splitting the daily amount, or reaching for a form, reduces it (the sports nutrition position stand).
Because paraesthesia is dose-related, its appearance tells a buyer something the label does not: there is enough beta-alanine in the capsule to be felt. Its absence tells you rather less, since plenty of people never notice it at any dose.
- It is harmless and it passes within an hour.
- Taking the capsule with a little food blunts it, at the cost of some absorption.
- It does not build up. If anything it fades over the first fortnight.
- If it is severe, or accompanied by a rash, breathlessness or swelling, that is not paraesthesia and it needs urgent attention.
The MemoHoney interactions worth a conversation before the first capsule
Four conversations, and the second one is the one that matters most.
Blood pressure medicines
Arginine and citrulline both lower blood pressure modestly at gram doses (the 2022 dose-response meta-analysis, a 2018 meta-analysis of citrulline and blood pressure, a 2025 meta-analysis in middle-aged and older adults). A capsule's share is almost certainly far smaller, but the concern is additive effect on top of a drug already doing the same job. Anyone on an ACE inhibitor, an ARB, a calcium channel blocker or a diuretic should mention the ingredient list to whoever prescribes it.
Nitrates and PDE5 inhibitors
Nitrate sprays and tablets for angina, and sildenafil, tadalafil and their relatives, all work through the nitric oxide pathway. That is the exact pathway four of these six actives feed. The combination is the one on this page that a prescriber will genuinely want to know about.
Anything else containing niacin
The upper intake level for added niacin is 35 mg a day in adults (the NIH Office of Dietary Supplements niacin fact sheet). B-complexes, energy products and some fortified foods all carry it, and two sources is where people quietly exceed the ceiling. Flushing is the early sign.
Another amino acid product
Pre-workouts almost all contain citrulline and beta-alanine at gram doses. Stacking is a waste of money rather than a hazard, but it will produce a much stronger tingle and it makes it impossible to tell which product is doing what.
The MemoHoney niacin question, in proportion
The difference between a vitamin at 35 mg and a medicine at 2,000 mg.
Niacin has a reputation built on doses nobody sells as a supplement. As a lipid medicine it was given at one to two grams a day, and at that level the harms are real: the HPS2-THRIVE trial of extended-release niacin recorded significant excesses of bleeding, infection and disturbed glucose control (the HPS2-THRIVE safety analysis). There are also case reports of liver injury from gram-scale niacin taken for reasons that had nothing to do with cholesterol (a 2018 case report of niacin hepatotoxicity).
None of that describes a supplement capsule. The distance between 35 mg and 2,000 mg is the whole argument, and a product sold for daily use in the United States has every commercial reason to sit under the ceiling.
What is worth knowing is the flush: a warm reddening across the face and chest that begins within half an hour, is driven by prostaglandin release in the skin, and is alarming mainly to people who were not expecting it (a 2024 review of the niacin flush). It is harmless, and it indicates nicotinic acid rather than nicotinamide.
Who should not take MemoHoney at all
Six groups, and the label's own wording.
- Anyone under 18. The label is written for adults.
- Anyone pregnant or nursing. No safety data exists for this combination and there is no reason to generate the first.
- Anyone with a diagnosed kidney or liver condition, without asking the clinician who manages it. Amino acid loads are handled by both organs.
- Anyone with a herpes simplex history who has been advised to limit arginine, which is a standing piece of advice worth checking with a pharmacist rather than assuming.
- Anyone due surgery within two weeks, who should tell the anaesthetist about every supplement including this one.
- Anyone who has reacted badly to a pre-workout containing citrulline or beta-alanine before.
“Keep out of reach of children. Do not use if the safety seal is broken. Consult a healthcare professional before use if you are pregnant, nursing, taking medication or have a medical condition.” That sentence is on the bottle, and reproducing it is the whole job of a retail page like this one. It is not repeated in five other places on this website, which is a deliberate choice: a caution stated once and well is read, and a caution stated fifteen times is furniture.
When to stop MemoHoney and see somebody
Five signals, and what each one probably means.
| What you notice | What to do | Why |
|---|---|---|
| Rash, swelling of the face or lips, breathlessness | Stop and seek urgent care | That is an allergic reaction, not paraesthesia. It is rare and it is an emergency. |
| Dizziness or faintness on standing | Stop and speak to your prescriber | The likeliest explanation is an additive blood-pressure effect with a medicine you already take. |
| Persistent flushing with headache | Stop and check every other supplement for niacin | Added niacin above 35 mg a day from combined sources is the usual cause. |
| Memory clearly worse over weeks, not days | Stop shopping and book an appointment | A supplement is not the right tool and delay is the only real harm here. |
| Nausea or stomach upset that does not settle | Try it with a little food for a week; stop if it persists | Free amino acids on an empty stomach disagree with a minority of people. |
General guidance for this product. Anything sudden, severe or one-sided belongs to urgent care rather than to a supplement website.
Who publishes this MemoHoney website?
Ten records behind the safety statements on this page.
- Dolan E, Swinton PA, Painelli VS, et al. A Systematic Risk Assessment and Meta-Analysis on the Use of Oral Beta-Alanine Supplementation. Adv Nutr. 2019;10(3):452-463. PMID 30980076. https://pubmed.ncbi.nlm.nih.gov/30980076/
- Trexler ET, Smith-Ryan AE, Stout JR, et al. International society of sports nutrition position stand: Beta-Alanine. J Int Soc Sports Nutr. 2015;12:30. PMID 26175657. https://pubmed.ncbi.nlm.nih.gov/26175657/
- Shiraseb F, Asbaghi O, Bagheri R, et al. Effect of l-Arginine Supplementation on Blood Pressure in Adults: A Systematic Review and Dose-Response Meta-analysis of Randomized Clinical Trials. Adv Nutr. 2022;13(4):1226-1242. PMID 34967840. https://pubmed.ncbi.nlm.nih.gov/34967840/
- Mirenayat MS, Moradi S, Mohammadi H, et al. Effect of L-Citrulline Supplementation on Blood Pressure: a Systematic Review and Meta-Analysis of Clinical Trials. Curr Hypertens Rep. 2018;20(11):98. PMID 30284051. https://pubmed.ncbi.nlm.nih.gov/30284051/
- Luo P, Chen J, Liu K, et al. Does l-citrulline supplementation and watermelon intake reduce blood pressure in middle-aged and older adults? A systematic review and meta-analysis of randomized controlled trials. Clin Nutr ESPEN. 2025;69:653-664. PMID 40789388. https://pubmed.ncbi.nlm.nih.gov/40789388/
- Javaid A, Mudavath SL. Niacin-induced flushing: Mechanism, pathophysiology, and future perspectives. Arch Biochem Biophys. 2024;761:110163. PMID 39322100. https://pubmed.ncbi.nlm.nih.gov/39322100/
- Haynes R, Valdes-Marquez E, Hopewell JC, et al. Serious Adverse Effects of Extended-release Niacin/Laropiprant: Results From the Heart Protection Study 2-Treatment of HDL to Reduce the Incidence of Vascular Events (HPS2-THRIVE) Trial. Clin Ther. 2019;41(9):1767-1777. PMID 31447131. https://pubmed.ncbi.nlm.nih.gov/31447131/
- Durham SH, Covington EW, Clemmons KJ. Hepatotoxicity upon using niacin to pass a drug test: A case report. J Am Pharm Assoc (2003). 2018;58(5):564-567. PMID 29941333. https://pubmed.ncbi.nlm.nih.gov/29941333/
- Niacin: Fact Sheet for Health Professionals. Office of Dietary Supplements, National Institutes of Health. https://ods.od.nih.gov/factsheets/Niacin-HealthProfessional/
- Memory loss. MedlinePlus Medical Encyclopedia, U.S. National Library of Medicine. https://medlineplus.gov/ency/article/003257.htm
Order MemoHoney once you have read the interaction list
Two conversations before the first capsule if you take anything for blood pressure or angina. Otherwise the packs are on the pricing page.
Two bottles $158 · six bottles $294 · 60-day money-back guarantee
Order MemoHoney On The Official WebsiteOne capsule a day · 30 per bottle · lot MEM-26/ME-1612
