Glyconutrients Drug Interactions, Uses, Effectiveness, Safety & More
What is this page for?
First and foremost: how Glyconutrients interacts with medications. The heart of this page is the interaction list — every drug Glyconutrients is known to interact with, and how serious each one is.
But these pages have grown well beyond that into a full monograph — what Glyconutrients is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy
Check Glyconutrients against your medication
Add one medicationGlyconutrients Drug Interactions: The Bottom Line
From the HelloPharmacist Editorial Team · Updated August 2026Based on the available evidence, the overall risk of a clinically significant Glyconutrients drug interaction appears low for most people, since every listed concern is theoretical rather than proven in humans. None of the interactions are rated major, and all of them rest on laboratory research rather than studies in people.
The one group that deserves real attention is immunosuppressants, medicines such as cyclosporine and tacrolimus that transplant patients and people with autoimmune conditions rely on. Lab research suggests glyconutrients may stimulate parts of the immune system, which could in theory work against these drugs. Because keeping the immune system suppressed can be critical, even an unproven effect matters more here than it would with most medicines.
The long list of over a hundred medications looks alarming, but it reflects a single theoretical concern spread across every drug in the immunosuppressant class. This immune-stimulating effect has only been seen in lab studies, and it has not been shown to change how these medicines work in people. A long list, in this case, does not mean many separate proven risks.
Based on HelloPharmacist’s Glyconutrients interaction data and reviewed under our editorial standards.
Drugs that interact with Glyconutrients
121 medications have a known interaction with Glyconutrients, graded by severity. Select any drug for the full evidence-based detail.
Don’t want to scroll the list? Just ask.
Tell us the medications you take and we’ll check each one against Glyconutrients using our pharmacist-reviewed interaction data.
AI summaries are generated from our Glyconutrients interaction data for education only — always confirm with your pharmacist. How we use AI
No drugs match “”.
What Severity, Likelihood & Evidence Mean
Severity — How Serious It Can Be
- Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
- Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
- Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
- No known interaction. Checked against our sources with nothing documented — not the same as proven safety.
Likelihood — How Well It’s Documented
- Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
- Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
- Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
- Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Where This Data Comes From
- Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
- Each drug listed above links to the full report for that exact Glyconutrients combination — clinical detail, likelihood, evidence level, and citations.
- Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
The kinds of drugs Glyconutrients affects
Every type of medication (drug category) Glyconutrients is known to interact with. Open any category for the detail — or search your exact drug in the checker above.
Immunosuppressants
Evidence from in vitro research suggests that glyconutrients stimulate certain immune responses. Theoretically, glyconutrients might interfere with immunosuppressive therapy. Immunosuppressant drugs include azathioprine (Imuran), basiliximab (Simulect), cyclosporine (Neoral, Sandimmune), daclizumab (Zenapax), muromonab-CD3 (OKT3, Orthoclone OKT3), mycophenolate (CellCept), tacrolimus (FK506, Prograf), sirolimus (Rapamune), prednisone (Deltasone, Orasone), corticosteroids (glucocorticoids), and others.
Glyconutrients: Uses, Safety & Side Effects
Glyconutrients are supplements containing certain sugar molecules (monosaccharides) that marketers claim are essential for cell communication and health. The science behind most health claims is weak and largely promotional, and your body already makes these sugars from a normal diet. They are generally low-risk, but talk to your pharmacist or doctor before using them, and don't rely on them to treat any disease.
- Part used
- Not a single plant; refined sugars (monosaccharides) from sources like aloe vera, gums, larch, mushrooms, and seaweeds
- Common forms
- Capsules, powders, chewable tablets, drink mixes
- General immune support
- Overall wellness and energy
- Cognitive or memory support
- Inflammation
- Digestive health
Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.
Generally low-risk for healthy adults, but benefits are unproven and product quality varies.
Safety has not been studied, so it is best to avoid during pregnancy.
Insufficient reliable information available; avoid using.
Read the full breastfeeding detailPregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Overview
Glyconutrients is a marketing term for supplements that contain certain simple sugars, called monosaccharides. Supporters often list eight sugars they say are important for the body, including glucose, galactose, mannose, fucose, xylose, and others.
These sugars are not from one single plant. Instead, they are pulled from many sources such as aloe vera gel, plant gums (like gum tragacanth or gum ghatti), larch tree fiber, certain mushrooms, and seaweeds.
People commonly take glyconutrients hoping to boost the immune system, improve energy, support memory, or promote general wellness. It is important to know that the term and many of the claims came largely from companies that sell these products, not from independent medical research.
How it works
The main idea behind glyconutrients is that cells are coated with chains of sugar molecules. These sugar chains help cells recognize and communicate with each other, and they play a role in the immune system. Supporters argue that taking extra dietary sugars could improve this process.
In reality, your body normally makes most of these sugars on its own from the carbohydrates you eat. It does not usually rely on getting them ready-made from a supplement. Because of this, the claim that you must take glyconutrients to supply these sugars is not well supported.
Much of the supporting research is based on laboratory and animal studies rather than solid human trials. These early studies can be interesting, but they do not prove that the supplements improve health when people take them.
Does Glyconutrients work?
How to read these evidence grades
Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.
For Glyconutrients, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.
Also studied for 4 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Attention deficit-hyperactivity disorder (ADHD)
Preliminary clinical research shows that taking a specific glyconutrient supplement, one capsule per 10 lbs body weight on day one and then one capsule per 20 lbs body weight daily for 3 weeks thereafter, reduces the number and severity of ADHD symptoms, as well as symptoms of oppositional defiance and conduct disorder, compared to baseline in children with ADHD. However, continuing to take this glyconutrient and adding a phytonutrient supplement plus flash-dried fruits and vegetables daily for an additional 3 weeks does not further improve ADHD symptoms.
Insufficient Reliable Evidence To Rate Cognitive function
Preliminary clinical research suggests that taking a specific glyconutrient product (Ambrotose Complex, Mannatech Inc.) 1 teaspoon twice daily (3.6 grams total daily) for 12 weeks improves immediate recall and recognition but not working memory, attention, speed of processing, or general cognitive ability compared to placebo in middle-aged adults. Other clinical research shows that taking a single dose of glyconutrients does not improve memory compared to placebo in middle-aged adults. However, in college students, taking a single dose of specific glyconutrient product (Ambrotose Complex, Mannatech Inc.) 1 tablespoon in water appears to improve some, but not all, cognitive test results when compared to placebo.
Insufficient Reliable Evidence To Rate Malnutrition
Preliminary clinical research shows that taking a specific brand of glyconutrients (Ambrotose Complex, Mannatech Inc.) 1 tablespoon daily for one month improves height and weight in young children with failure to thrive.
Insufficient Reliable Evidence To Rate Psychological well-being
Preliminary clinical research shows that taking a specific glyconutrient product (Ambrotose Complex, Mannatech Inc.) 1 teaspoon twice daily for 12 weeks improves psychological well-being in middle-aged adults. Perceived beneficial changes occur in 71.2% of subjects in the glyconutrient group vs 32.0% of subjects in the placebo group. Improvements in energy, calmness, sleep quality, concentration, clear-headedness, gastrointestinal health, skin quality, and physical pain seem to occur.
Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.
Safety & precautions
For most healthy adults, glyconutrient products are considered low-risk because they mainly contain sugars and plant fibers. Still, supplements are not tightly regulated, so the quality and contents can vary from product to product.
People with diabetes or blood sugar problems should be cautious, since these products contain sugars. People with allergies to plant gums, aloe, mushrooms, or seaweed should check the ingredient list carefully.
Because there is little safety data, pregnant and breastfeeding people should avoid glyconutrients. Children, older adults, and anyone with a chronic health condition should talk to a pharmacist or doctor first. Never use these products to replace proven medical treatment.
Side effects
Glyconutrients are usually well tolerated, but side effects can happen. The most common ones are digestive, such as gas, bloating, stomach cramps, or loose stools, especially because of the fiber and sugar content.
Allergic reactions are possible if you are sensitive to one of the source ingredients (for example aloe, plant gums, mushrooms, or seaweed). Stop using the product and seek medical care if you have signs of a serious allergic reaction, such as rash, swelling, or trouble breathing.
Glyconutrients: Reported Adverse Effects
Documented safety reports on Glyconutrients from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.
Orally, glyconutrients appear to be well tolerated. Side effects reported in clinical research have included gastrointestinal symptoms such as flatulence
- Best T, Kemps E, Bryan J. Perceived changes in well-being following polysaccharide intake in middle-aged adults. Applied Res Qual Life 2012;7(2):183-192.
Flatulence Gastrointestinal
Orally, side effects of glyconutrients reported in clinical research have included gastrointestinal symptoms such as flatulence.
- Best T, Kemps E, Bryan J. Perceived changes in well-being following polysaccharide intake in middle-aged adults. Applied Res Qual Life 2012;7(2):183-192.
Adverse-effects data: Natural Medicines, Therapeutic Research Center
Dosing
There is no official or standardized dose for glyconutrients. Products differ widely in their ingredients and strength, so a single recommended amount does not exist.
If you choose to try one, follow the directions on the product label and do not take more than suggested. It is a good idea to ask your pharmacist to review the specific product with you, especially if you take medications or have a health condition. Choose products from reputable brands that use third-party testing when possible.
Glyconutrients & Breastfeeding
© 2026 Therapeutic Research Center
Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center
References & further reading
The 9 references that drive our Glyconutrients monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.
- Best T, Kemps E, Bryan J. Saccharide effects on cognition and well-being in middle-aged adults: a randomized controlled trial. Dev Neuropsychol 2010;35(1):66-80. PubMed
- Dykman KD, Dykman RA. Effect of nutritional supplements on attentional-deficit hyperactivity disorder. Integr Physiol Behav Sci 1998;33(1):49-60. PubMed
- Dykman K, Ford CR, Gardiner T. The effect of glyconutritional supplementation on toddlers with failure to thrive. Glycoscience Nutr 2000;1(36):1-7.
- Best T, Kemps E, Bryan J. Perceived changes in well-being following polysaccharide intake in middle-aged adults. Applied Res Qual Life 2012;7(2):183-192. DOI
- Lefkowitz DL, Stuart R, Gnade BT, Roberts E, Lefkowitz SS. Effects of a glyconutrient on macrophage functions. Int J Immunopharmacol 2000;22(4):299-308. PubMed
- See DM, Cimoch P, Chou S, Chang J, Tilles J. The in vitro immunomodulatory effects of glyconutrients on peripheral blood mononuclear cells of patients with chronic fatigue syndrome. Integr Physiol Behav Sci 1998;33(3):280-287. PubMed
- Best T, Bryan J, Burns N. An investigation of the effects of saccharides on the memory performance of middle-aged adults. J Nutr Health Aging 2008;12(9):657-662. PubMed
- Stancil AN, Hicks LH. Glyconutrients and perception, cognition, and memory. Percept Mot Skills 2009;108(1):259-270. PubMed
- Haji, Faraji M. and Haji, Tarkhani A. The effect of sour tea (Hibiscus sabdariffa) on essential hypertension. J.Ethnopharmacol. 1999;65(3):231-236. PubMed
This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC
Glyconutrients: Common Questions
What is Glyconutrients used for, and does it work?
Does Glyconutrients interact with prescription medications?
How are Glyconutrients interactions rated?
Is it safe to take Glyconutrients with my medications?
Where does this Glyconutrients interaction information come from?
What are Glyconutrients?
Do Glyconutrients really work?
Are Glyconutrients safe to take?
Can I take Glyconutrients while pregnant or breastfeeding?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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