No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

Buckwheat Ingredients & Drug Interactions

by Hawaii Pharm

Liquid Category: Botanical
No known interaction
The interaction bottom line No known interaction

Buckwheat is a dietary supplement by Hawaii Pharm with 1 active ingredient. Its ingredients are commonly taken for heart and circulation health, blood sugar support, source of fiber and protein.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

HelloPharmacist Scorecard of Buckwheat by Hawaii Pharm

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: Buckwheat Hull Extract in dried form. Buckwheat is a plant seed that's been used traditionally for circulatory support, though the evidence we hold on it is limited.

The liquid also holds alcohol, water, and glycerin as inactive ingredients to deliver the extract.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

This is a single-ingredient Buckwheat product and its label doesn't state a use — see Buckwheat's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence for Buckwheat Hull Extract isn't established in our data. We have insufficient reliable evidence to say whether it works for cardiovascular health, chronic venous insufficiency (poor circulation in the legs), blood sugar control, or diabetic eye disease.

That doesn't mean it's ineffective — it means the studies we have aren't solid enough yet to rate it either way.

The evidence, ingredient by ingredient Buckwheat

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Buckwheat as a food is generally well tolerated, but allergic reactions do happen. Symptoms can range from skin irritation and itchy eyes to asthma, nausea, vomiting, or in rare cases anaphylaxis.

People with buckwheat sensitivity should avoid it. The safety data on supplement doses during pregnancy and breastfeeding is limited.

Buckwheat foods are likely fine, but we don't have enough information on concentrated supplements to know either way — talk with your doctor or pharmacist for personalized advice if you're pregnant or nursing.

Side effects, ingredient by ingredient Buckwheat

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the ingredients we could check. That's not a guarantee none exist — just that we have no documented evidence of them.

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.

Buckwheat Hull Extract is generally well tolerated by most people, but if you have a known buckwheat allergy, steer clear. The evidence for what it actually does is still not clear enough to count on.

If you're pregnant, breastfeeding, or take medications for blood pressure, blood thinning, or diabetes, check with your own doctor or pharmacist before starting.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Nov 22, 2023.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Buckwheat, straight from the product label.

Brand Hawaii Pharm
Barcode (UPC) 840253609250
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Nov 22, 2023
DSLD ID 301310
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Buckwheat by Hawaii Pharm, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
0.7 mL
Maximum serving Sizes:
1 mL
Servings per container
120
UPC/BARCODE
840253609250
IngredientAmount% DV
Buckwheat Hull Extract, Dry983 mg--

Other ingredients: Alcohol, Water, Glycerin

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Brand IP Statement(s)

Hawaii Pharm Herbal Extract Highest quality since 2008

Suggested/Recommended/Usage/Directions

Suggested use: Shake well before using. For adults add about 20-30 drops (0.7-1 mL, one full squeeze of the dropper bulb) to some juice or water, up to 4 times a day.

Precautions

Warning: We recommend to seek expert medical advice before taking.

Do not use if you are allergic to any ingredients.

Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.

Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.

May affect the ability to drive and operate machinery. May have contraindications, can cause side effects and adverse reactions. Do not use if seal is broken or missing.

Keep out of the reach of children!

Storage

Store in a cool dry place.

Seals/Symbols

cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility.

Organic Alcohol Based USA Made in United States of America

FDA Disclaimer Statement

This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure or prevent any disease.

General Statements

Scan this QR-code to get 15% discount on your next purchase. Limited time deal.

Formula

Polygonum fagopyrum

Organic Alcohol Based

Formulation

Only natural ingredients Purity is laboratory tested and verified

All the raw materials are gluten-free by their nature No artificial colors, flavors, or preservatives

Not tested on animals

Organic Alcohol Based

Made in USA, Hawaii

FDA Statement of Identity

Herbal Supplement

See for yourself

Buckwheat by Hawaii Pharm label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Buckwheat by Hawaii Pharm

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size0.7 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.

Buckwheat Hull Extract, Dry

No known
interactions
983 mg per serving Form: Polygonum fagopyrum Hull Extract, Dry

Buckwheat is a nutritious, naturally gluten-free seed that is high in fiber, protein, and antioxidants like rutin. As a food it can be part of a heart...

Buckwheat Hull Extract, Dry monograph & interactions

Other (inactive) ingredients: Alcohol, Water, Glycerin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Buckwheat by Hawaii Pharm Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Buckwheat. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for Buckwheat, from the product label.

Hawaii Pharm

See all Hawaii Pharm products
Name
Hawaii Pharm LLC
Street Address
510 Sumner St. Ste. 613
City
Honolulu
State
HI
ZipCode
96817
Phone Number
888-854-2924
Web Address
www.hawaiipharm.com
Pharmacist Counseling Corner

Buckwheat by Hawaii Pharm: Common Questions

Does Buckwheat by Hawaii Pharm interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Buckwheat. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Buckwheat contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I have a buckwheat allergy?
No. Allergic reactions to buckwheat can range from skin sensitization to asthma, nausea, vomiting, and in rare cases anaphylaxis. If you know you're allergic, avoid this product.
Is it safe to take while pregnant or breastfeeding?
We don't have enough data on concentrated buckwheat supplements during pregnancy or breastfeeding to say either way. Buckwheat as a food is likely fine, but talk with your doctor or pharmacist before taking a supplement dose.
What is buckwheat hull extract supposed to do?
It's traditionally used for circulatory support and blood sugar health, but the evidence we have is insufficient to confirm whether it actually works for those purposes.
Can occupational exposure to buckwheat cause problems?
Yes — people who work around buckwheat dust or even sleep on buckwheat husk pillows can develop allergic rhinitis (hay fever symptoms) or asthma over time.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Buckwheat is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Buckwheat label
Go deeper

The Full Monographs Behind Buckwheat’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Sources

Sources & How We Checked

Buckwheat's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 12 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Buckwheat 12 references
  1. Schiffner R, Przybilla B, Burgdorff T, et al. Anaphylaxis to buckwheat. Allergy 2001;56:1020-1. PubMed
  2. Lee SY, Lee KS, Hong CH, Lee KY. Three cases of childhood nocturnal asthma due to buckwheat allergy. Allergy 2001;56:763-6. PubMed
  3. Wieslander G, Norback D. Buckwheat allergy. Allergy 2001;56:703-4.
  4. Skrabanja V, Liljeberg Elmstahl HG, Kreft I, Bjorck IM. Nutritional properties of starch in buckwheat products: studies in vitro and in vivo. J Agric Food Chem 2001;49:490-6. PubMed
  5. Bijlani RL, Gandhi BM, Gupta MC, et al. Effect of whole buckwheat (Fagopyrum esculentum) flour supplementation on lipid profile & glucose tolerance. Indian J Med Res 1985;81:162-8.
  6. Fritz SB, Gold BL. Buckwheat pillow-induced asthma and allergic rhinitis. Ann Allergy Asthma Immunol 2003;90:355-8. PubMed
  7. Ihme, N., Kiesewetter, H., Jung, F., Hoffmann, K. H., Birk, A., Muller, A., and Grutzner, K. I. Leg oedema protection from a buckwheat herb tea in patients with chronic venous insufficiency: a single-centre, randomised, double-blind, placebo-controlled c
  8. Archimowicz-Cyrylowska B and et al. Clinical effect of buckwheat herb, Ruscus extract and troxerutin on retinopathy and lipids in diabetic patients. Phytother Res 1996;10(659):62. DOI
  9. Cifuentes L, Mistrello G, Amato S, et al. Identification of cross-reactivity between buckwheat and coconut. Ann Allergy Asthma Immunol. 2015 Dec;115(6):530-2. PubMed
  10. De Maat-Bleeker F, Stapel SO. Cross-reactivity between buckwheat and latex. Allergy. 1998 May;53(5):538-9. PubMed
  11. Qiu J, Liu Y, Yue Y, Qin Y, Li Z. Dietary tartary buckwheat intake attenuates insulin resistance and improves lipid profiles in patients with type 2 diabetes: a randomized controlled trial. Nutr Res. 2016 Dec;36(12):1392-1401. PubMed
  12. Li L, Lietz G, Seal C. Buckwheat and CVD risk markers: a systematic review and meta-analysis. Nutrients. 2018;10(5). pii: E619. PubMed

See these in context on the Buckwheat monograph →

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

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