Interactions on record — worth a quick check against your medications. Check your meds →
Dietary supplement

Rehmannia Root Extract Powder 500 mg Ingredients & Drug Interactions

by BulkSupplements.com

Powder Category: Botanical
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Rehmannia Root Extract Powder 500 mg is a dietary supplement by BulkSupplements.com with 1 active ingredient. Its ingredients are commonly taken for kidney and adrenal support, anemia and blood building (traditional), inflammatory conditions.Based on those ingredients, 258 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Rehmannia Root Extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Rehmannia Root Extract Powder 500 mg by BulkSupplements.com

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: Rehmannia Root Extract, supplied at 500 mg per serving. Rehmannia is a root used in traditional medicine, and this extract form concentrates its active compounds.

There are no inactive ingredients listed in this formulation.

Does it work?

Moderate evidence
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

This product doesn't appear to be marketed for a specific use, so we graded Rehmannia's overall clinical evidence instead.

Moderate

Some clinical evidence supports Rehmannia for:

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.
  • Since the label doesn't commit to one use, we graded the ingredient's overall clinical evidence instead.
  • On file: Chronic kidney disease (CKD) — rated "Possibly Effective" (Natural Medicines).

The evidence for rehmannia is mixed and mostly limited. It's rated possibly effective for chronic kidney disease (CKD) — that's the strongest rating we have.

For aplastic anemia, atopic disease (eczema, allergies), osteoporosis, diabetes, and diabetic kidney disease, the evidence isn't yet established in our data — there's insufficient reliable evidence to know whether it works for these conditions.

The evidence, ingredient by ingredient Rehmannia

How safe is it?

Some data gaps
Safety Information · database check
Some gaps

Safety data exists for these ingredients, but with some important gaps.

Why this rating?
  • We hold adverse-effect (side-effect) data for 0 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.

Human safety data for rehmannia are limited, and quality varies between products, so caution is warranted. No adverse effects are listed in our data.

Because there isn't enough safety information, the data advises against use during pregnancy and while breastfeeding — talk with your doctor or pharmacist for personalized guidance if you're pregnant, planning to become pregnant, or nursing.

Side effects, ingredient by ingredient Rehmannia

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Rehmannia.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 258 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before you start, double-check any blood pressure medications (antihypertensive drugs) — rehmannia may lower your blood pressure further, raising the risk of it dropping too low. Also check any diabetes medications (antidiabetes drugs) — rehmannia may increase the risk of low blood sugar.

Use the medication checker on this page to confirm your exact prescriptions.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence behind its ingredients' uses. Moderate medication interactions have been identified, and some safety-information gaps remain.

Rehmannia Root Extract may be worth considering if you're interested in support for chronic kidney disease, though evidence is modest. If you take blood pressure or diabetes medications, absolutely check your prescriptions with the tool below before starting — the interaction risks are real.

And if you're pregnant, breastfeeding, or thinking about it, speak with your pharmacist first.

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 Apr 24, 2025.

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 Rehmannia Root Extract Powder 500 mg, straight from the product label.

Brand BulkSupplements.com
Barcode (UPC) X001B7XVET
Net contents 500 Gram(s); 17.6 Ounce(s)
Market status On market
Date entered into DSLD Apr 24, 2025
DSLD ID 330496
Product type Botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy 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 Rehmannia Root Extract Powder 500 mg by BulkSupplements.com, 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:
500 Milligram(s)
Maximum serving Sizes:
500 Milligram(s)
Servings per container
1000
UPC/BARCODE
X001B7XVET
IngredientAmount% DV
Rehmannia Root Extract500 mg--

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.
Formula

Rehmannia Root Extract Powder 500 mg per serving

Brand IP Statement(s)

BulkSupplements.com Clean & Pure Bulk Supplements

Formulation

Color may vary

Free of: Added sugar, soy, dairy, yeast, gluten, additives

FDA Disclaimer Statement

Warning: This product is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Always consult a physician before taking any dietary supplement.

Keep out of reach of children.

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take 500 mg (1/5 tsp) one to three times daily or as directed by a physician.

Storage

Contents are sold by weight, not volume. Settling may occur. Store in a dry, cool place

General Statements

Use an accurate milligram scale. New

See for yourself

Rehmannia Root Extract Powder 500 mg by BulkSupplements.com label

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

What’s inside

The Ingredients in Rehmannia Root Extract Powder 500 mg by BulkSupplements.com

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

Serving size500 Milligram(s) Dosage formPowder Servings per container1000 Amounts shown are per serving.

Rehmannia Root Extract

Interacts with
258 drugs
500 mg per serving

Rehmannia is a root used for centuries in Traditional Chinese Medicine, often to 'tonify' the kidneys and support energy or blood health. Human eviden...

Rehmannia Root Extract monograph & interactions
Interaction report

Rehmannia Root Extract Powder 500 mg by BulkSupplements.com Drug Interactions

Want to check YOUR meds against Rehmannia Root Extract Powder 500 mg?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

Go to the checker
258Drugs
258 Moderate

Ingredients driving the most interactions

Each ingredient & the kinds of drugs it affects

For each ingredient in Rehmannia Root Extract Powder 500 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Rehmannia Root Extract2 drug types · 258 drugs

Antidiabetes Drugs

Theoretically, rehmannia might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research shows that rehmannia may have hypoglycemic effects.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, rehmannia might increase the risk of hypotension when taken with antihypertensive drugs.
Animal research shows that rehmannia may have hypotensive effects. Laboratory research shows that formulations of dried and processed rehmannia root inhibit angiotensin-converting enzyme (ACE).

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Rehmannia Root Extract Powder 500 mg, from the product label.

BulkSupplements.com

See all BulkSupplements.com products
Name
BulkSupplements.com
Street Address
7511 Eastgate Rd
City
Henderson
State
NV
ZipCode
89011
Web Address
BulkSupplements.com
Pharmacist Counseling Corner

Rehmannia Root Extract Powder 500 mg by BulkSupplements.com: Common Questions

Does Rehmannia Root Extract Powder 500 mg by BulkSupplements.com interact with any medications?
Yes. Based on its ingredients, Rehmannia Root Extract Powder 500 mg has a known interaction with 258 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Rehmannia Root Extract Powder 500 mg 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.
Is rehmannia safe to take while I'm pregnant or breastfeeding?
There isn't enough safety information to know either way. The data advises against use during pregnancy and while breastfeeding. Talk with your doctor or pharmacist about whether it's right for you in these situations.
Does this actually work for kidney disease, diabetes, or other conditions?
For chronic kidney disease (CKD), it's rated possibly effective — that's the strongest evidence we have. For diabetes, diabetic kidney disease, osteoporosis, aplastic anemia, and atopic disease, the evidence isn't established yet. The data we hold simply doesn't show whether it works for those.
What exactly is rehmannia root extract?
It's a concentrated extract from the root of rehmannia, a plant used in traditional medicine. This powder form supplies 500 mg per serving with no inactive ingredients listed.
Are there any side effects I should know about?
No adverse effects are listed in our data. That said, human safety information overall is limited and product quality varies, so it's worth being cautious, especially if you have blood pressure or blood sugar concerns.
Can I take this with my blood pressure or diabetes medication?
Not without checking first. Rehmannia may lower blood pressure and blood sugar further, which could be risky. Use the medication checker on this page to verify your exact prescriptions, and talk with your pharmacist before starting.

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

Not sure if Rehmannia Root Extract Powder 500 mg 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.

Rehmannia Root Extract Powder 500 mg label
Go deeper

The Full Monographs Behind Rehmannia Root Extract Powder 500 mg’s Ingredients

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

Sources

Sources & How We Checked

Rehmannia Root Extract Powder 500 mg'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 3 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.

Rehmannia 3 references
  1. Zhang R, Zhou J, Jia Z, et al. Hypoglycemic effect of Rehmannia glutinosa oligosaccharide in hyperglycemic and alloxan-induced diabetic rats and its mechanism. J Ethnopharmacol 2004;90:39-43. PubMed
  2. Zhang RX, Li MX, Jia ZP. Rehmannia glutinosa: review of botany, chemistry and pharmacology. J Ethnopharmacol 2008;117(2):199-214. PubMed
  3. Chao CH, Hsu JL, Chen MF, et al. Anti-hypertensive effects of Radix Rehmanniae and its active ingredients. Nat Prod Res. 2020;34(11):1547-1552.

See these in context on the Rehmannia 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

Keep exploring