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Chlorophyll

Chlorophyll is the green pigment plants use to capture sunlight, and supplements usually contain chlorophyllin, a water-soluble copper-based form. The best-supported finding involves aflatoxin, a mold toxin: in a trial in China, people taking chlorophyllin had 55% lower levels of aflatoxin-DNA damage markers in their urine than those given placebo. Still, the evidence is limited, since most supporting studies were in animals or the lab.

Sources: PMID 11830597; PMID 21816119

Best evidence
Grade C
Conditions studied
2
Outcomes
9
Graded outcomes
0036

Evidence by condition

  • Strong
  • Moderate
  • Limited
  • Very limited

2 conditions, plus general outcomes

General

General: outcomes studied for Chlorophyll
GradeOutcomeEffectSizeStudiesPeopleStudies list
Aflatoxin-DNA Adduct Reduction

A landmark human RCT in Qidong, China demonstrated that chlorophyllin (100 mg three times daily) reduced urinary aflatoxin-DNA adducts by 55% compared to placebo. Multiple animal studies in rats and rainbow trout confirm chlorophyllin binds aflatoxin B1 in the GI tract, reducing its absorption and subsequent hepatocarcinogenesis.

Changes; see studiesLarge effect9 studies180 people
Body & Fecal Odor Reduction

Chlorophyllin (as Derifil) is FDA-approved for controlling body and fecal odors in colostomy/ileostomy patients and those with fecal incontinence. Clinical use established since the 1950s, with mechanism involving binding of volatile sulfur-containing odor compounds in the gut.

Changes; see studiesModerate effect2 studies

Studies that measured body & fecal odor reduction

Anti-mutagenic Activity

In vitro Ames test studies and animal models consistently show chlorophyllin inhibits mutagenesis from various carcinogens including aflatoxins, polycyclic aromatic hydrocarbons, and mycotoxins (ochratoxin A, fumonisin B1). Mechanism involves binding planar carcinogens and inhibiting cytochrome P450 activation. However, one Drosophila study (PMID 24283476) found SCC itself could induce genetic damage at certain doses.

Changes; see studiesModerate effect9 studies
Hepatoprotective Effects

In rodent models, sodium copper chlorophyllin reduced carbon tetrachloride-induced liver injury via inhibition of lipid peroxidation. Additional rat studies showed chlorophyllin combined with probiotic fermented milk attenuated aflatoxin B1-induced hepatocellular carcinogenesis, with protective effects on gene expression markers. No controlled human trials for hepatoprotection.

Improves (the measure goes down)Small effect6 studies
Facial Redness Reduction

A case series reported topical liposomal sodium copper chlorophyllin complex reduced facial redness in patients with erythematotelangiectatic rosacea. In vitro studies showed chlorophyllin inhibits hyaluronidase, suggesting a mechanism for dermatological effects. Only uncontrolled case reports exist.

Changes; see studiesSmall effect4 studies
Trimethylamine Excretion Reduction

A small clinical trial in 7 Japanese patients with trimethylaminuria found that copper chlorophyllin (180 mg/day for 3 weeks) reduced urinary trimethylamine excretion. The effect was comparable to activated charcoal. Only a single small study exists.

Changes; see studiesSmall effect3 studies7 people
Wound Healing

Topical chlorophyllin was used clinically for wound healing before the antibiotic era. Older clinical reports from the 1940s-1950s documented faster healing of burns and chronic wounds. Proposed mechanisms include stimulation of tissue granulation and anti-inflammatory effects, but modern controlled trials are lacking.

Improves (the measure goes up)Small effect2 studies

Blood Health: outcomes studied for Chlorophyll
GradeOutcomeEffectSizeStudiesPeopleStudies list
White Blood Cell Count

An RCT of 105 patients with leukopenia found sodium copper chlorophyllin tablets (60 patients) improved peripheral white blood cell counts over 1 month compared to leucogen and placebo controls. A separate animal study in aplastic anemia mice showed effects on mesenchymal stem cell function. Limited to a single human RCT.

Improves (the measure goes up)Small effect4 studies105 people

Studies that measured white blood cell count

Antioxidant Status: outcomes studied for Chlorophyll
GradeOutcomeEffectSizeStudiesPeopleStudies list
Antioxidant Activity

In vitro studies demonstrate chlorophyllin scavenges free radicals and reduces lipid peroxidation via its porphyrin ring structure. A series of studies showed protective effects against peroxidative damage in rat liver lysosomes. However, no controlled human trials have confirmed systemic antioxidant effects.

Improves (the measure goes up)Small effect4 studies

Key findings

  • Aflatoxin-DNA Adduct ReductionChanges; see studies
  • White Blood Cell CountBlood HealthImproves (the measure goes up)
  • Body & Fecal Odor ReductionChanges; see studies

Shop Chlorophyll

Third-party tested Chlorophyll products. The evidence above is limited, so read it before you buy.

  • Grade C

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Studies cited

22 studies from PubMed

  1. Chemopreventive potential of chlorophyllin: a review of the mechanisms of action and molecular targetsNutrition and Cancer, 2015 · PMID 25650669
  2. In vitro genotoxicity of mycotoxins ochratoxin A and fumonisin B(1) could be prevented by sodium copper chlorophyllin--implication to their genotoxic mechanismFood Chemistry, 2015 · PMID 25306371
  3. Topical Treatment With Liposomal Sodium Copper Chlorophyllin Complex in Subjects With Facial Redness and Erythematotelangiectatic Rosacea: Case StudiesJournal of Drugs in Dermatology, 2015 · PMID 26461829
  4. In vitro inhibition of hyaluronidase by sodium copper chlorophyllin complex and chlorophyllin analogsClinical, Cosmetic and Investigational Dermatology, 2015 · PMID 26300653
  5. Effects of sodium copper chlorophyllin on mesenchymal stem cell function in aplastic anemia miceChinese Journal of Integrative Medicine, 2013 · PMID 23001462
  6. Sodium copper chlorophyllin (SCC) induces genetic damage in postmeiotic and somatic wing cells of Drosophila melanogasterJournal of Toxicology and Environmental Health Part A, 2013 · PMID 24283476
  7. Chlorophyll revisited: anti-inflammatory activities of chlorophyll a and inhibition of expression of TNF-αInflammation, 2012 · PMID 24379012
  8. Anticarcinogenic effect of probiotic fermented milk and chlorophyllin on aflatoxin-B₁-induced liver carcinogenesis in ratsBritish Journal of Nutrition, 2012 · PMID 21816119
  9. Gene expression signature of DMBA-induced hamster buccal pouch carcinomas: modulation by chlorophyllin and ellagic acidPLoS One, 2012 · PMID 22485181
  10. Effect of probiotic fermented milk and chlorophyllin on gene expressions and genotoxicity during AFB₁-induced hepatocellular carcinomaGene, 2011 · PMID 21963996
  11. Chlorophylls as anti-carcinogensNutr Rev, 2007 · PMID 17981000
  12. Protective effects of chlorophyllin in murine tumor models and in human volunteersCancer Lett, 2005 · PMID 15531680
  13. Analysis of the therapeutic effect of sodium copper chlorophyllin tablet in treating 60 cases of leukopeniaChinese Journal of Integrative Medicine, 2005 · PMID 16417778
  14. A comprehensive review on chlorophylls and related applicationsFood Chem, 2004 · PMID 19519663
  15. Effects of the dietary supplements, activated charcoal and copper chlorophyllin, on urinary excretion of trimethylamine in Japanese trimethylaminuria patientsLife Sciences, 2004 · PMID 15043988
  16. Chlorophyllin intervention reduces aflatoxin-DNA adducts in individuals at high risk for liver cancerProc Natl Acad Sci USA, 2001 · PMID 11830597
  17. Chlorophylls as anticarcinogens (review)International Journal of Oncology, 1997 · PMID 21533436
  18. In vivo effects of chlorophyllin on the antitumour agent cyclophosphamideInternational Journal of Cancer, 1997 · PMID 8985095
  19. Chlorophyll and chlorophyllin as modifiers of genotoxic effectsMutation Research, 1994 · PMID 7527487
  20. Effect of sodium copper chlorophyllin on lipid peroxidation. VIII. Its effect on carbon tetrachloride-induced liver injury in ratsChemical and Pharmaceutical Bulletin, 1985 · PMID 4085083
  21. Effect of sodium copper chlorophyllin on lipid peroxidation. V. Effect on peroxidative damage of rat liver lysosomesChemical and Pharmaceutical Bulletin, 1983 · PMID 6671227
  22. Effect of sodium copper chlorophyllin on the formation of calcium oxalate crystals in rat kidneyInvestigative Urology, 1980 · PMID 7053081