MemoHoney Official Website › Side Effects
Side EffectsMemoHoney Side Effects: Flushing, Tingling and One Interaction Worth Naming
Two of the six ingredients in MemoHoney have predictable, well-documented effects: niacin causes flushing and beta-alanine causes a harmless tingle. Both are dose-related. The interaction that matters is with nitrates, PDE5 inhibitors and blood-pressure medicines, because four of the six act on the same pathway.
A side effects page that says 'generally well tolerated' four times has told the reader nothing. This one names the pathway, the symptom and what to do about each.
The four MemoHoney effects worth knowing about
Niacin flushing
Warmth, redness and a prickling sensation across the face, neck and chest, beginning within half an hour of a dose and passing within an hour. It is a prostaglandin-mediated dilation of small skin vessels rather than an allergic reaction, and it is harmless.
It is also why the US tolerable upper intake level for supplemental niacin sits at 35 mg a day. Taking the capsule in the morning, as the label directs, puts any flush at the most convenient time of day to meet it. A large dose of niacin is a genuinely different proposition, which is what the HPS2-THRIVE trial studied at gram scale.
Beta-alanine tingling
Paraesthesia: pins and needles in the face, scalp, neck and hands, starting fifteen to thirty minutes after a dose and fading within an hour. It is the most reliable effect in the entire beta-alanine literature.
A systematic risk assessment found it to be the only consistent adverse effect up to 6.4 grams a day, and an evidence review written for military use reached the same conclusion. Whether it appears on a morning with this capsule is a piece of dose information only a buyer can collect, because the label prints no amount.
Blood pressure and the vessel-widening drugs
Four of these six ingredients exist to raise nitric oxide. Nitrates release it directly, PDE5 inhibitors extend its downstream effect, and several antihypertensives act on the same vascular tone. Combining them compounds the same mechanism.
This is the one genuine interaction on the label and the complication is that nobody outside the factory can size it, because the artwork carries no quantity. The review of oral arginine and citrulline gives a sense of the effect sizes at gram-scale amounts. Take the bottle to whoever prescribes for you before the first capsule.
Stomach on an empty stomach
A minority find any capsule before food unsettling. The fix is to take it with the first bite instead, at a small cost in absorption, which is a much better trade than stopping. Nothing in this formula is known to irritate the stomach lining, so this is a tolerance question rather than a chemistry one.
What the MemoHoney artwork cannot tell you about safety
A safety discussion usually begins with a milligram figure, and here it cannot. The artwork carries no Supplement Facts panel, so the amount of niacin in a capsule, which is the one ingredient with a published ceiling, is unknown from the packaging.
That has a practical consequence worth stating plainly: anyone already taking a multivitamin, a fortified cereal or a separate B-complex is adding an unknown to a known, and the combined total is the figure that matters against the 35 mg ceiling. The NIH Office of Dietary Supplements fact sheet on niacin sets out where the ceiling comes from and what happens above it.
The reverse is also worth holding on to. If the capsule contained niacin at or above the ceiling, flushing would be common among buyers, and if it contained beta-alanine at trial amounts, so would tingling. Neither is mentioned anywhere in the distributor's review summary. That summary is two sentences long, so its silence proves nothing, but it is still more than the label gives.
Anyone under 18. Anyone pregnant or nursing, for whom none of these compounds has been studied at supplement amounts. Anyone prescribed niacin for cholesterol, where the amounts involved are a different order of magnitude. And anyone taking a nitrate or a PDE5 inhibitor, until whoever prescribes it has seen the bottle.
What to do if something happens on MemoHoney
- A flush. Sit down, wait it out, and note whether it happened on an empty stomach. It passes within an hour and it is not dangerous. If it happens every day and bothers you, this is not the product for you.
- A tingle. Nothing. It is harmless, it fades within the hour, and it means the capsule contains a meaningful amount of beta-alanine, which is arguably good news.
- Light-headedness on standing. Stop and speak to whoever manages your blood pressure. Four of these ingredients widen vessels and that is the symptom to take seriously rather than the tingle.
- Anything else, or anything that persists. Stop taking it and get advice. A supplement is not worth persevering through a symptom for, and the sixty-day window exists precisely so that stopping costs nothing.
- Then tell the seller. The order desk on +1 (302) 200-3480 is the route, and a reported effect is more useful to the next buyer than a quiet refund.
How this MemoHoney safety page was compiled
- Minto C, Vecchio MG, Lamprecht M, et al. Definition of a tolerable upper intake level of niacin: a systematic review and meta-analysis of the dose-dependent effects of nicotinamide and nicotinic acid supplementation. Nutr Rev. 2017;75(6):471-490. PMID 28541582. https://pubmed.ncbi.nlm.nih.gov/28541582/
- Landray MJ, Haynes R, Hopewell JC, et al. Effects of extended-release niacin with laropiprant in high-risk patients. N Engl J Med. 2014;371(3):203-12. PMID 25014686. https://pubmed.ncbi.nlm.nih.gov/25014686/
- Meyers CD, Carr MC, Park S, et al. Varying cost and free nicotinic acid content in over-the-counter niacin preparations for dyslipidemia. Ann Intern Med. 2003;139(12):996-1002. PMID 14678919. https://pubmed.ncbi.nlm.nih.gov/14678919/
- Dolan E, Swinton PA, Painelli VS, et al. A Systematic Risk Assessment and Meta-Analysis on the Use of Oral β-Alanine Supplementation. Adv Nutr. 2019;10(3):452-463. PMID 30980076. https://pubmed.ncbi.nlm.nih.gov/30980076/
- Ko R, Low Dog T, Gorecki DK, et al. Evidence-based evaluation of potential benefits and safety of beta-alanine supplementation for military personnel. Nutr Rev. 2014;72(3):217-25. PMID 24697258. https://pubmed.ncbi.nlm.nih.gov/24697258/
- Khalaf D, Krüger M, Wehland M, et al. The Effects of Oral l-Arginine and l-Citrulline Supplementation on Blood Pressure. Nutrients. 2019;11(7):1679. PMID 31336573. https://pubmed.ncbi.nlm.nih.gov/31336573/
- 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/
- Niacin: Fact Sheet for Health Professionals. Office of Dietary Supplements, National Institutes of Health. https://ods.od.nih.gov/factsheets/Niacin-HealthProfessional/
- Questions and Answers on Dietary Supplements. U.S. Food and Drug Administration. https://www.fda.gov/food/information-consumers-using-dietary-supplements/questions-and-answers-dietary-supplements
- Using Dietary Supplements Wisely. National Center for Complementary and Integrative Health, National Institutes of Health. https://www.nccih.nih.gov/health/using-dietary-supplements-wisely
MemoHoney is written for healthy adults of 18 and over
If the fit is right, the two-bottle rung is sixty mornings and matches the refund window exactly, which is the least committed way to find out.
From $49 a bottle on six · $158 is the smallest order · two months from the day you pay to change your mind
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