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Chl2.5
Chlorophyll Research
Mostly mechanism / observational
15 peer-reviewed studies
What the evidence says
Mostly mechanism / observational
Most Chlorophyll studies are mechanism or observational rather than RCTs that measure a clinical effect — keep findings provisional.
Most evidence is from high-quality randomised trials published 1983–2026 with a typical study size of 10 participants.
Based on 15 studies · 8 RCTs · 20 total participants
Confidence
Moderate confidence
By outcome
Skin healthSmall pilot/case studies of TOPICAL copper chlorophyllin gel report improvements in acne, pore size, redness and photoaging — low-quality and not oral 'liquid chlorophyll' · 3-8 weeks (topical, pilot data)
Too few graded studies1 study
Safety profile
Too few graded studies1 study
Steady research
3 studies in the last 5 years
198320042026
1Systematic Review2014
Ulbricht C, Bramwell R, Catapang M, Giese N, Isaac R, Le TD · J Diet Suppl (2014)
In plain English: While promising, these findings require further clinical validation to establish effective therapeutic applications.
Sartore G, Zagotto G, Ragazzi E. · Nutrients (2025)
Chlorophyllin, a stable semi-synthetic derivative, also shows potential in improving glucose and lipid metabolism.
Notably, pheophorbide a demonstrates insulin-mimetic activity by stimulating glucose uptake via glucose transporters, offering a novel therapeutic avenue.
Overall, the antioxidant, anti-inflammatory, and insulin-mimicking properties of chlorophyll derivatives suggest a multifaceted approach to diabetes management.
In plain English: The objective of this review is to highlight the value of phyllobilins by compiling current knowledge, with a particular emphasis on their bioactivity and potential impact on human health.
Serra MDR, Pérez-Gálvez A, Roca M. · Antioxidants (Basel, Switzerland) (2026)
This, together with their favorable bioavailability, has heightened the importance of elucidating their bioactive properties.
Numerous studies have demonstrated their antioxidant and anticancer activities in vitro, as well as their ability to target actin.
The anti-inflammatory effects of phyllobilins have also been demonstrated by evaluating their ability to inhibit the COX-2 pathway or attenuate the activation of the tryptophan-kynurenine pathway.
Dasgupta A, Sawant S, Chatterjee A, Gota V, Sahu A, Choudhari A, Bhattacharya K, Puranik A, Dev I, Moiyadi A, Shetty P, Singh V, Menon N, Epari S, Sahay A, Shah A, Bano N, Shaikh F, Jirage A, Gupta T. · Cancer medicine (2025)
Discussion Radionecrosis leads to significant morbidity and is usually treated with corticosteroids, which can lead to several side effects from both acute and long-term use.
Refractory radionecrosis requires treatment with bevacizumab or surgical resection.
Chlorophyllin is a cheap, safe, and readily available phytopharmaceutical drug, which is being investigated in the phase 2 study and, if proven effective, can be considered an alternative for treating radionecrosis.
In plain English: A review situating chlorophyllin among dietary factors that reduce aflatoxin genotoxicity by blocking carcinogen activation/absorption — useful mechanistic context, not new efficacy.
Gross-Steinmeyer K, Eaton DL · Toxicology (2012)
Reviews how dietary components, including chlorophyllin, modulate aflatoxin B1 biotransformation and genotoxicity
Supports the carcinogen-sequestration mechanism behind the chlorophyllin aflatoxin trial
Mechanistic/contextual review, not a clinical efficacy study
In plain English: A small uncontrolled 8-week pilot reported improvement in fine lines and solar lentigines with a topical chlorophyllin gel — again pilot-grade and not controlled.
Sigler ML, Stephens TJ · J Drugs Dermatol (2015)
Single-center open pilot in 10 women with mild-moderate photodamage
Topical liposomal sodium copper chlorophyllin (0.066%) twice daily for 8 weeks showed statistically significant improvement vs baseline on all efficacy parameters
Well tolerated, but no control group and only 10 completers
14Pilotn=10 · very small study2015
In plain English: A small, single-center, uncontrolled 3-week pilot reported that a topical chlorophyllin gel improved acne and pore appearance — promising but low-quality and not placebo-controlled.
Single-center open pilot in 10 subjects with mild-moderate acne and large pores
Topical 0.1% sodium copper chlorophyllin gel twice daily for 3 weeks showed statistically significant improvement on all clinical parameters vs baseline
No placebo/control arm; very small sample and short duration
15Case Study2015
In plain English: A case-study report described reduced facial redness with topical chlorophyllin gel — the weakest tier of clinical evidence.
Vasily DB · J Drugs Dermatol (2015)
Case studies (not a controlled trial) of topical liposomal copper chlorophyllin gel in subjects with facial redness and erythematotelangiectatic rosacea
Reported anti-redness benefit, attributed to antioxidant/anti-inflammatory/antibacterial activity seen in vitro
Anecdotal-level evidence; no quantitative controlled outcome