Lunasin Drug Interactions, Uses, Effectiveness, Safety & More
What is this page for?
First and foremost: how Lunasin interacts with medications. The heart of this page is the interaction list — every drug Lunasin is known to interact with, and how serious each one is.
But these pages have grown well beyond that into a full monograph — what Lunasin 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 Lunasin against your medication
Add one medicationDrugs that interact with Lunasin
0 medications have a known interaction with Lunasin, graded by severity. Select any drug for the full evidence-based detail.
We don’t currently list any known drug interactions for Lunasin. This doesn’t guarantee none exist — always confirm with your pharmacist before combining supplements with your medications.
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 Lunasin combination — clinical detail, likelihood, evidence level, and citations.
- Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
Lunasin: Uses, Safety & Side Effects
Lunasin is a small protein (peptide) found naturally in soybeans and some other seeds and grains. Laboratory and animal studies suggest it may have antioxidant, anti-inflammatory, and cholesterol-related effects, but solid human evidence is very limited. Talk with your pharmacist or doctor before using a lunasin supplement.
- Part used
- Seeds (most studied in soybean)
- Common forms
- Capsules, powders, and protein extracts (often soy-derived)
- Cholesterol and heart health
- General immune support
- Antioxidant support
- Anti-inflammatory support
- Cancer-prevention interest (unproven)
Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.
Lunasin is found in common foods, but the safety of concentrated supplements has not been well studied.
Insufficient reliable information available; avoid using.
Read the full pregnancy detailInsufficient 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
Lunasin is a naturally occurring peptide, which is a small piece of protein. It was first identified in soybeans and is also found in smaller amounts in other seeds and grains such as wheat, barley, rye, and some cereals.
Because it occurs in everyday foods like soy, most people already eat small amounts of lunasin without knowing it. As a supplement, it is usually sold as a concentrated soy-derived protein extract in capsules or powders. People take it hoping to support heart health, the immune system, and overall wellness.
How it works
Lunasin is a peptide that researchers believe can survive digestion well enough to be absorbed in small amounts and reach body tissues. In lab studies, it appears to interact with parts of cells involved in how genes are switched on and off.
Proposed effects from laboratory and animal research include reducing inflammation, acting as an antioxidant, and influencing how certain cells grow. Some studies also suggest it may affect cholesterol processing in the liver.
These mechanisms are not yet confirmed in well-designed human trials, so they should be seen as theories that need more research.
Does Lunasin work?
How to read these evidence grades
Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.
Possibly Ineffective Amyotrophic lateral sclerosis (ALS, Lou Gehrig's disease)
Preliminary clinical research in adults with familial or sporadic ALS suggests that taking specific lunasin products twice daily for 12 months does not improve symptoms or delay symptom progression, as measured by the revised ALS functional rating scale, when compared with historical controls. Additionally, no patients taking lunasin demonstrated reversal of ALS. The products used in this study were all produced by Reliv International, Inc. and were given at the following doses: LunaRich X, 6 capsules twice daily; Provantage, 1 scoop twice daily; Reliv Now, 1.5 scoops twice daily.
Also studied for 2 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Hypercholesterolemia
Preliminary clinical research in adults with multiple cardiometabolic risk factors (e.g., low levels of high-density lipoprotein [HDL] or elevated low-density lipoprotein [LDL], triglycerides, fasting blood glucose, blood pressure, or body mass index [BMI]) suggests that taking 168 mg of lunasin-enriched soy extract twice daily for 8 weeks does not affect LDL, HDL, or triglyceride levels when compared with placebo. However, the validity of this study is limited by the very small sample size.
Insufficient Reliable Evidence To Rate Obesity
Preliminary clinical research in adults with multiple cardiometabolic risk factors (e.g., low levels of high-density lipoprotein [HDL] or elevated low-density lipoprotein [LDL], triglycerides, fasting blood glucose, blood pressure, or body mass index [BMI]) suggests that taking 168 mg of lunasin-enriched soy extract twice daily for 8 weeks does not affect BMI, waist circumference, or fasting blood glucose when compared with placebo. However, the validity of this study is limited by the very small sample size.
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
Because lunasin is found in common foods like soy, eating it as part of a normal diet is generally considered safe for most people. However, the safety of concentrated supplements taken in larger amounts is not well studied.
People with a soy allergy should be especially careful, since many lunasin products are made from soy and could trigger an allergic reaction. Anyone with a chronic health condition, or who is taking prescription medicine, should check with a pharmacist or doctor first.
For pregnancy and breastfeeding, there is not enough safety information on concentrated lunasin supplements, so it is best to avoid them during these times. Children should also avoid supplement forms unless a healthcare provider advises otherwise.
Side effects
Because lunasin has not been widely studied in humans as a supplement, its full side effect profile is not known. When taken as part of soy foods, it is usually well tolerated.
Possible issues are mostly related to the soy source and may include mild digestive upset such as bloating or gas. Allergic reactions are possible in people sensitive to soy and can range from mild to serious. Stop use and seek medical care if you notice signs of an allergic reaction, such as rash, swelling, or trouble breathing.
Lunasin: Reported Adverse Effects
Documented safety reports on Lunasin from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.
There is currently a limited amount of information on the adverse effects of lunasin. Orally, adverse effects reported in clinical research include nausea, constipation (including obstipation), diarrhea, early satiety, decreased appetite, bloating, abdominal pain, and flatulence.
- Bedlack RS, Wicks P, Vaughan T, et al. Lunasin does not slow ALS progression: results of an open-label, single-center, hybrid-virtual 12-month trial. Amyotroph Lateral Scler Frontotemporal Degener. 2019 May;20(3-4):285-293.
- Haddad Tabrizi S, Haddad E, Rajaram S, Oda K, Kaur A, Sabaté J. The effect of soybean lunasin on cardiometabolic risk factors: A randomized clinical trial. Subst Use Misuse. 2019;54(9):1530-1540.
Constipation Gastrointestinal
Orally, lunasin can cause nausea, constipation, diarrhea, early satiety, decreased appetite, bloating, abdominal pain, and flatulence. Two cases of obstipation requiring hospitalization have been reported following administration of lunasin.
- Bedlack RS, Wicks P, Vaughan T, et al. Lunasin does not slow ALS progression: results of an open-label, single-center, hybrid-virtual 12-month trial. Amyotroph Lateral Scler Frontotemporal Degener. 2019 May;20(3-4):285-293.
- Haddad Tabrizi S, Haddad E, Rajaram S, Oda K, Kaur A, Sabaté J. The effect of soybean lunasin on cardiometabolic risk factors: A randomized clinical trial. Subst Use Misuse. 2019;54(9):1530-1540.
Adverse-effects data: Natural Medicines, Therapeutic Research Center
Dosing
There is no established standard dose for lunasin supplements. The amounts used in research vary, and product labels differ from brand to brand.
If you choose to try a product, follow the directions on the label and do not exceed them. Because quality and purity of supplements can vary, look for brands that use independent third-party testing. Talk with your pharmacist or doctor before starting, especially if you have any health conditions or take other medicines.
Lunasin & Pregnancy
Lunasin & Breastfeeding
© 2026 Therapeutic Research Center
Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center
References & further reading
The 2 references that drive our Lunasin 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.
- Bedlack RS, Wicks P, Vaughan T, et al. Lunasin does not slow ALS progression: results of an open-label, single-center, hybrid-virtual 12-month trial. Amyotroph Lateral Scler Frontotemporal Degener. 2019 May;20(3-4):285-293. PubMed
- Haddad Tabrizi S, Haddad E, Rajaram S, Oda K, Kaur A, Sabaté J. The effect of soybean lunasin on cardiometabolic risk factors: A randomized clinical trial. Subst Use Misuse. 2019;54(9):1530-1540. 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
Lunasin: Common Questions
What is Lunasin used for, and does it work?
Does Lunasin interact with prescription medications?
How are Lunasin interactions rated?
Is it safe to take Lunasin with my medications?
Where does this Lunasin interaction information come from?
What is Lunasin?
Does Lunasin really lower cholesterol or prevent cancer?
Is Lunasin safe to take?
Can I take Lunasin if I am pregnant or breastfeeding?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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