Drug & supplement interaction

Chlorophyll + Alendronate

Alendronate brand names: Fosamax, Binosto.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Chlorophyll and Alendronate in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Chlorophyll and Alendronate

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Alendronate and Chlorophyll in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Chlorophyll safety at a glance

Chlorophyll overall Use caution Generally well tolerated in short-term use, but high-quality safety data are limited.
Pregnancy Avoid Not enough reliable safety information, so it is best avoided during pregnancy.
Breastfeeding Avoid Safety during breastfeeding is unknown, so avoid unless your doctor advises otherwise.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Alendronate and Chlorophyll? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Alendronate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Alendronate is filed under 3 classifications — including bisphosphonates, oral drugs. Chlorophyll has documented interactions with 2 drug classes — the most serious being methotrexate (trexall, others) (moderate) and photosensitizing drugs (moderate) — and none of Alendronate’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Chlorophyll Does Interact With Other Medications

Chlorophyll has 337 moderate known drug interactions in our database — Alendronate isn’t one of them. If you take anything else, check it against the full list below.

Moderate 337 No known interaction 2,493 (incl. Alendronate)
Taking anything else?

Check Another of Your Medications Against Chlorophyll

Covers the 2,830 medications we’ve checked against Chlorophyll. Pick one to open its full report.

What to actually watch for

No Interaction Found — But Data Suggests Chlorophyll and Alendronate May Share Several of the Same Side Effects

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do.

  • Sun sensitivity / A skin rash Additional detail

    Chlorophyll

    “Topically, chlorophyll cream has been reported to cause dermatitis. Orally, chlorophyll can cause photosensitization. Certain carotenoids such as beta-carotene and canthaxanthin seem to prevent or lessen the photosensitivity that results from taking chlorophyll. Oral consumption of chlorophyll has been associated with the development of pseudoporphyria in case reports.”

    Chlorophyll · Natural Medicines adverse-effect record, reported in dermatitis.

    4 sources cited
    1. 41912. 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.
    2. 1326. Mathews-Roth MM. Carotenoids in erythropoietic protoporphyria and other photosensitivity diseases. Ann N Y Acad Sci, 1993; 691:127-38. PubMed
    3. 93892. Rossi E, Borchard K, Cole JM. Pseudoporphyria following self-medication with chlorophyll. Australas J Dermatol. 2015 Feb;56(1):47-8. PubMed
    4. 97933. 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

    Alendronate

    Listed in the ADVERSE REACTIONS section of the FDA label for Alendronate. Read the label on DailyMed ›

Effects for Alendronate come from the ADVERSE REACTIONS section of its FDA label; effects for Chlorophyll come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

From our Q&A

Questions About Chlorophyll or Alendronate

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Chlorophyll or Alendronate, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Alendronate

This page covers Chlorophyll only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Alendronate page lists 25 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Calcium (moderate), Coffee (moderate), Coffee Charcoal (moderate) and Dolomite (moderate).

By severity: 1 major · 15 moderate · 9 minor.

From our pharmacist’s overview on the Alendronate page

“Picture the typical Fosamax (alendronate) patient: someone taking a weekly tablet for thinning bones who also takes calcium and other mineral supplements, exactly what fills this list. Nearly all 25 ingredients on file work the same way, binding the drug in the gut or coating it with fiber so less gets absorbed, and a dose that never r…”

Reviewed by 2 · Jul 18, 2026

Open the Alendronate interaction page

One more smart check

Taking Chlorophyll as Part of a Dietary Supplement Product? Check It for Interactions

We hold 996 real supplement products containing Chlorophyll, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Chlorophyll. Even though Chlorophyll itself has no known interaction with Alendronate, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Chlorophyll and Alendronate Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Chlorophyll
Top 25%

#259 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Alendronate
Top 25%

#375 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Chlorophyll reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Chlorophyll and Alendronate records this page draws on were last updated July 10, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Chlorophyll

What is Chlorophyll?

Chlorophyll
  • Body and breath odor reduction
  • Wound healing (topical)
  • Detoxification
  • Antioxidant support
  • Skin health

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 wound aid, but evidence for popular claims like detox and weight loss is weak. It is generally well tolerated for most adults, but talk with your pharmacist or doctor before starting, especially if you are pregnant or breastfeeding.

Green parts of plants and algae (commonly alfalfa and algae sources) · Capsules, tablets, liquid drops, topical ointments, and chlorophyllin (a semi-synthetic form)

An interaction check asks whether these two react with each other — it does not ask whether Chlorophyll is a good idea for someone in your situation. Here is what our Chlorophyll record says about it on its own.

Chlorophyll: dosing

There is no official, standardized dose of chlorophyll or chlorophyllin for most uses. Products vary widely in their strength and form, from liquid drops to capsules.The best approach is to follow the directions on the product label and not take more than recommended.

From our Chlorophyll monograph — the full record covers uses, side effects and every documented interaction.

Read the full Chlorophyll monograph & all interactions
Medication

About Alendronate

What Is Alendronate Used For?

Brand names: Fosamax, Binosto

Alendronate tablets (including Alendronate, Alendronate Sodium, and Fosamax) are used to treat and prevent osteoporosis in postmenopausal women, treat osteoporosis in men, treat glucocorticoid-induced osteoporosis (bone loss caused by long-term steroid use) in men and women, and treat Paget's disease of bone. Binosto effervescent tablet is specifically indicated for treating osteoporosis in postmenopausal women and increasing bone mass in men with osteoporosis.

Alendronate Sodium oral solution is indicated for treating osteoporosis in postmenopausal women and increasing bone mass in men with osteoporosis. Alendronate helps build bone mass and reduce the risk of fractures, including hip and spinal fractures.

See full Alendronate drug information
Keep checking

Other Drugs & Chlorophyll

Browse every other medication we’ve checked against Chlorophyll — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
337Moderate
0Minor
2,492No known interaction
337 Moderate 2,492 No interaction
Moderate

337 interactions

Showing 60 of 337 moderate interactions — see all 337 on the Chlorophyll page.

No interaction 2,492 drugs checked — show the list

We also checked Chlorophyll against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,492 medications checked with no known interaction — see the full Chlorophyll list.

See the full Chlorophyll interactions page
See every supplement checked against Alendronate, ranked by severity
Evidence & sources

Chlorophyll References

The 5 references that drive our Chlorophyll 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.

  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

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Chlorophyll and Alendronate Together: Common Questions

Is it safe to take Chlorophyll with Alendronate?
We do not list a known interaction between Chlorophyll and Alendronate. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Do Chlorophyll and Alendronate have any of the same side effects?
Yes — our sources link each of them separately to 2 of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
How was the Chlorophyll and Alendronate combination checked?
Interactions in our licensed database are recorded against drug classes. Alendronate is filed under 3 classifications, and Chlorophyll has documented interactions with 2 drug classes — none of Alendronate's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Chlorophyll interact with any other medications?
Yes. Chlorophyll has 337 documented drug interactions in our database — Alendronate is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Alendronate interact with any supplements?
Yes. Alendronate has documented interactions with 25 supplements in our database — Chlorophyll is not one of them. The Alendronate interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Chlorophyll monograph Uses, safety profile, and every drug interaction in one place Alendronate drug information The full plain-English guide to this medication Alendronate supplement interactions Every supplement checked against Alendronate, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 5 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Alendronate and Chlorophyll?

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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.