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Dietary supplement

No. 41-D Chlorophyll With Wachters' Marine Biological Extract Ingredients & Drug Interactions

by Wachters'

No. 41-D Chlorophyll With Wachters' Marine Biological Extract label
See full label image
Liquid Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 30, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking No. 41-D Chlorophyll With Wachters' Marine Biological Extract against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

No. 41-D Chlorophyll With Wachters' Marine Biological Extract is a dietary supplement by Wachters' with 1 active ingredient. Its ingredients are commonly taken for body and breath odor reduction, wound healing (topical), detoxification.Based on those ingredients, 337 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Chlorophyll. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters'

Ask about any prescription or over-the-counter medication and we check it for interactions with No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters' — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters'

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Aug 27, 2026

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: chlorophyll, a green pigment extracted from plants. The liquid formulation also includes filtered water and Wachters' Exclusive Blend as inactive ingredients.

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 Chlorophyll product and its label doesn't state a use — see Chlorophyll'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 we hold for chlorophyll doesn't establish its effectiveness for the uses listed—genital herpes, wound healing, shingles, nonmelanoma skin cancer, and pancreatitis all show insufficient reliable evidence to rate. That means the research to date isn't strong enough to say whether it works for these conditions.

The evidence, ingredient by ingredient Chlorophyll

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.

Chlorophyll is generally well tolerated when used short-term, though high-quality safety data are limited. The main concern is photosensitization—a heightened reaction to sunlight that can cause blistering or burning.

This is the most common adverse effect reported with oral use. In rare cases, pseudoporphyria (easily traumatized blisters on the hands) has developed after drinking chlorophyll supplements.

During pregnancy, there isn't enough reliable safety information, so the data advises against it. Safety during breastfeeding is also unknown, so avoid it unless your doctor advises otherwise.

Talk with your doctor or pharmacist about your individual situation before taking this product if you're pregnant or nursing.

Side effects, ingredient by ingredient Chlorophyll

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 — Chlorophyll.
  • The most serious interaction on file is rated Moderate.
  • For scale: 337 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.

If you take methotrexate (for cancer or autoimmune conditions), chlorophyll may slow its clearance and raise toxicity risk—talk with your doctor or pharmacist before combining them. Also double-check if you're on any photosensitizing medications (including certain antibiotics, NSAIDs, and some psychiatric drugs), as chlorophyll may amplify light sensitivity.

Use the medication checker below 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 no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Chlorophyll may be worth considering if you're interested in a supplement with traditional use, but the evidence for its claimed benefits isn't established in our data. The main risk is photosensitization and interactions with methotrexate or light-sensitive medications.

If you take any prescription drugs—especially methotrexate or photosensitizing medications—check with your 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 20, 2017.

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 No. 41-D Chlorophyll With Wachters' Marine Biological Extract, straight from the product label.

Brand Wachters'
Net contents 0.5 Gallon(s); 1.892 Liter(s)
Market status On market
Date entered into DSLD Nov 20, 2017
DSLD ID 80176
Product type Non-nutrient/non-botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegetarian, Adult (18 - 50 Years)
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 No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters', 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:
1 Tbsp
Maximum serving Sizes:
1 Tbsp
Servings per container
128
IngredientAmount% DV
Chlorophyll70 mg--

Other ingredients: filtered Water, Wachters’ Exclusive Blend

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.
Suggested/Recommended/Usage/Directions

Recommended Dosage: As a dietary supplement, mix 1 tablespoon of No. 41-D, in an 8 oz. glass of water or juice. Stir until well mixed. For optimum results, use this product with other Wachters' supplements.

Precautions

This product was sealed for your protection. Do not use if seal has been tampered with.

Keep out of reach of children.

Formula

No. 41-D, Chlorophyll with Wachters’ Marine Biological Extract is a unique scientific formulation consisting of Chlorophyll combined with Wachters’ Exclusive Blend of Sea Vegetation.

General Statements

Our blend has been specifically created using up to 15 different species of sea vegetation from around the world. Our species are selected for their rich nutritional profile of naturally occurring vitamins, minerals, trace minerals, amino acids as well as purity and quality. If they do not pass our quality tests they do not make it into Wachters’ Exclusive Blend, putting it in a class by itself. It is this incredible quality Blend that makes our Chlorophyll superior to anyone else’s on the market serving as the synergistic activator of the Chlorophyll, enhancing its effectiveness. Chlorophyll is a green pigment that is the life force of plants and one of the purest forms of natural food. It contains Magnesium an essential mineral for optimum body cell function and health.

No. 41-D is an important part of the Wachters’ Health and Wellness Program. Wachters’ also offers Chlorophyll in tablet and powder form.

Since 1932 Borne from the sea

Made in U.S.A

FDA Disclaimer Statement

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

Formulation

Non-GMO

Wachters' Organic Sea Products dietary supplements contain no preservatives, yeast, artificial colorings, artificial flavorings, starch or animal products. No heat or chemicals are used in preparation of No. 41-D.

FDA Statement of Identity

Dietary Supplement

Brand IP Statement(s)

“Wachters’ Exclusive Blend of Sea Vegetation” is a registered trademark of Wachters’Organic Sea Products and is an exclusive combination of multi-marine plant sources.

Storage

Refrigerate after opening.

General

Code #5400

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters' label

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

No. 41-D Chlorophyll With Wachters' Marine Biological Extract label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters'

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

Serving size1 Tbsp Dosage formLiquid Servings per container128 Amounts shown are per serving.

Chlorophyll

Interacts with
337 drugs
70 mg per serving

Chlorophyll is the green pigment found in plants and algae, and supplements often use a stable form called chlorophyllin. It is most studied for reduc...

Chlorophyll monograph & interactions

Other (inactive) ingredients: Filtered Water, Wachters’ Exclusive Blend. These complete the product’s ingredient list but are not active constituents.

Interaction report

No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters' Drug Interactions

Want to check YOUR meds against No. 41-D Chlorophyll With Wachters' Marine Biological Extract?

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
337Drugs
337 Moderate

Ingredients driving the most interactions

Chlorophyll 337

Individual Drug Interactions

The ingredients in No. 41-D Chlorophyll With Wachters' Marine Biological Extract interact with 337 drugs. Click any drug to see the details.

1 of the 1 ingredient in No. 41-D Chlorophyll With Wachters' Marine Biological Extract interact with drugs. Each result below shows which ingredient is responsible. Chlorophyll

Each ingredient & the kinds of drugs it affects

For each ingredient in No. 41-D Chlorophyll With Wachters' Marine Biological Extract 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.

Chlorophyll2 drug types · 337 drugs

Methotrexate (Trexall, Others)

Theoretically, chlorophyll may reduce the clearance of methotrexate.
In one case report, a 54-year-old male developed delayed clearance of intravenous high-dose methotrexate with concomitant use of chlorophyll. When chlorophyll was stopped 2 days prior to methotrexate treatment, methotrexate clearance was unaffected.

Likelihood Possible Evidence B
Photosensitizing Drugs

Theoretically, concomitant use of chlorophyll with photosensitizing drugs may have additive effects.
Chlorophyll has been reported to cause photosensitization. In two case reports, pseudoporphyria developed after oral intake of chlorophyll. Theoretically, concomitant use with other photosensitizing drugs may exacerbate this effect.

Likelihood Probable Evidence B
Chlorophyll full monograph & interactions
The maker

Brand information

Manufacturer and brand details for No. 41-D Chlorophyll With Wachters' Marine Biological Extract, from the product label.

Wachters'

See all Wachters' products
Name
Wachters’ Organic Sea Products
Street Address
550 Sylvan Street
City
Daly City
State
CA
ZipCode
94014
Phone Number
1-800-682-7100
Web Address
www.wachters.com
Pharmacist Counseling Corner

No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters': Common Questions

Does No. 41-D Chlorophyll With Wachters' Marine Biological Extract by Wachters' interact with any medications?
Yes. Based on its ingredients, No. 41-D Chlorophyll With Wachters' Marine Biological Extract has a known interaction with 337 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
No. 41-D Chlorophyll With Wachters' Marine Biological Extract 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.
What is chlorophyll and what does it do?
Chlorophyll is a green pigment found in plants. This product contains it in liquid form, but the evidence we hold doesn't establish that it's effective for the conditions it's claimed to treat—such as wound healing, herpes, or shingles.
Can I take this if I'm pregnant or breastfeeding?
The safety data advises against it during pregnancy because there isn't enough reliable information. During breastfeeding, safety is also unknown, so avoid it unless your doctor tells you otherwise. Talk with your doctor or pharmacist for personalized advice.
What side effects might chlorophyll cause?
The most common adverse effect is photosensitization—a heightened reaction to sunlight that can cause burning or blistering. In rare cases, a blistering condition called pseudoporphyria has developed after taking chlorophyll supplements. Significant adverse effects overall haven't been widely reported, but safety data are limited.
Does chlorophyll interact with any of my medications?
Chlorophyll interacts with methotrexate (a cancer and autoimmune medication) and with photosensitizing drugs—medications that already increase sun sensitivity. Use the medication checker on this page to confirm your exact prescriptions, and talk with your doctor or pharmacist before starting.
Is this product safe to use long-term?
Chlorophyll is generally well tolerated in short-term use, but high-quality long-term safety data are limited. If you're thinking about taking it regularly, discuss it with your doctor or pharmacist.

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

Not sure if No. 41-D Chlorophyll With Wachters' Marine Biological Extract is safe with your meds?

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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.

No. 41-D Chlorophyll With Wachters' Marine Biological Extract label
Go deeper

The Full Monographs Behind No. 41-D Chlorophyll With Wachters' Marine Biological Extract’s Ingredients

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

Herb & supplement monograph

Chlorophyll

Interacts with 337 drugs

Chlorophyll is the green pigment found in plants and algae, and supplements often use a stable form called chlorophyllin. It is most studied for reducing body and fecal odor and as a topical...

Read the full Chlorophyll monograph →
Sources

Sources & How We Checked

No. 41-D Chlorophyll With Wachters' Marine Biological Extract'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 5 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.

Chlorophyll 5 references
  1. Mathews-Roth MM. Carotenoids in erythropoietic protoporphyria and other photosensitivity diseases. Ann N Y Acad Sci, 1993; 691:127-38. PubMed
  2. Belen'kii, G. B. and Krikun, B. L. [Treatment of herpes simplex and herpes zoster by chlorophyll preparations]. Sov.Med. 1971;34(1):151-152.
  3. Brooks SL, Sanders J, Seymour JF, Mellor JD. A case of delayed methotrexate clearance following administration of a complementary medication containing chlorophyll. J Oncol Pharm Pract. 2014 Jun;20(3):225-8. PubMed
  4. Rossi E, Borchard K, Cole JM. Pseudoporphyria following self-medication with chlorophyll. Australas J Dermatol. 2015 Feb;56(1):47-8. PubMed
  5. Zhao CY, Frew JW, Muhaidat J, et al. Chlorophyll-induced pseudoporphyria with ongoing photosensitivity after cessation - a case series of four patients. J Eur Acad Dermatol Venereol 2016;30(7):1239-42. PubMed

See these in context on the Chlorophyll 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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