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Liquid chlorophyll: what is really in the green drops

Clinical review pending

Chlorophyllin is not the same as plant chlorophyll. How the data on body odor, acne, detox and blood formation compare.

Most products sold as “liquid chlorophyll” contain chlorophyllin, a water-soluble derivative of the plant pigment. There is no convincing basis for the idea that drinking the drops clears the skin, detoxifies the body in general or improves blood formation. The research on odor control in certain rare conditions is somewhat more concrete, though it rests on small studies and applies only to limited situations.

What liquid chlorophyll is

The green drops are stirred into water or sold as a ready-made drink. Especially since the social media trend around 2021, they have been linked to skin care, less body odor and a “cleansed” body. The green color calls to mind plants and photosynthesis. Drinking it, however, does not give people any ability to use light energy the way plants do.

So the first thing to look at is the ingredient list: does the product contain native chlorophyll, sodium copper chlorophyllin or some other mixture? These forms are not interchangeable, either chemically or in the research.

What is in the bottle

Chlorophyllin as a sodium copper compound

During manufacturing, the natural pigment is chemically modified. Among other changes, the fat-soluble phytol portion is removed, and in copper chlorophyllin, copper takes the place of magnesium in the central complex. The result is a more water-soluble and more stable mixture of pigments. The research on composition and processing shows why the exact form matters.

Natural chlorophyll

Native chlorophyll contains magnesium and is part of photosynthesis in plants. It occurs in green foods and tends to be fat-soluble. What it does in a plant tells us nothing about how it is digested in the human body.

Water, flavorings and acidifiers

Mint or citrus flavors and, for example, citric acid change the taste and shelf life. They do not explain any special effect on the skin or on blood formation. Depending on the product, other ingredients may be added that matter for tolerability and for judging the product.

Which mechanisms have been studied

In trimethylaminuria, a rare metabolic disorder that causes a characteristic odor, researchers have looked at whether copper chlorophyllin affects the excretion of trimethylamine. A small clinical study found changes of this kind. One proposed mechanism is that odor-causing compounds are bound in the gut. Older work also covers odor in people with an ostomy.

Another line of research concerns aflatoxin, a harmful substance that can contaminate certain foods. In a study in a heavily exposed population in Qidong, a biomarker of aflatoxin exposure fell with chlorophyllin. Binding in the gut could reduce uptake. This is a narrowly defined finding under unusual exposure, not proof of a general “blood cleanse” or of a cancer-preventing effect for any consumer.

Antioxidant properties have also been described in the lab. But whether a substance reacts under experimental conditions says little about whether a drink has any clinical benefit in everyday life. How the various chlorophyll derivatives are absorbed and processed is complex; flat claims that they never reach the blood at all would also go too far.

The claims one by one

Less body odor

For particular situations such as trimethylaminuria and ostomy odor, there are small and in some cases very old studies. The results justify further research and, where appropriate, use under professional guidance. They do not show a reliable effect against ordinary sweat odor in healthy people.

Clearer skin and less acne

The small pilot studies that are often cited applied chlorophyllin to the skin. An acne pilot study looked at changes in inflammatory skin lesions; another paper tested a topical care regimen. Both are something different from drinking green drops. For oral use against acne, there is no comparably solid body of studies.

Detox and blood cleansing

Terms like these usually name neither a specific harmful substance nor a measurable health benefit. The narrowly focused aflatoxin research must not be reinterpreted as a general detox promise. The liver and kidneys carry out metabolic and excretory work all the time; a green drink does not improve that through its color alone.

Blood formation and hemoglobin

Chlorophyll and the heme part of hemoglobin share related ring-shaped core structures. That does not mean they do the same job. The body does not simply turn chlorophyll into hemoglobin. Making blood requires iron, vitamin B12, folate and other prerequisites. In anemia, the cause has to be found, rather than deriving a treatment from a resemblance between molecules.

Safety, medicines and lab tests

Greenish discoloration of stool or urine can occur. Some people report stomach cramps, bloating or other digestive complaints. How often this happens, and how safe the various products are over the long term, has not been studied well enough.

Preclinical work discusses effects on enzymes such as CYP1A2 and CYP2C9. That does not establish a definite clinical interaction at every usual dose. Anyone taking several medicines at once should therefore have the product checked individually. Theoretical concerns about light sensitivity deserve similar caution. A mere structural relationship justifies neither a blanket ban in lupus or porphyria nor a promise of safety. With conditions like these, the specific product should be reviewed by a professional.

For pregnancy and breastfeeding, there are no reliable data on supplement amounts. Eating a green vegetable as food is a different matter. Before urine or stool tests, mention that you take the drops, especially if the color has changed. Whether a test is affected, or a break is needed, depends on the method; stopping across the board before every test for hidden blood is not justified.

Which tests help with the actual complaints

There is no established blood marker that shows a benefit of chlorophyllin for general well-being. hs-CRP is nonspecific, and a vitamin D level does not show whether green drops work against acne. Ordinary acne does not call for a routine hormone panel either.

If anemia is suspected, a blood count makes sense, plus ferritin, transferrin saturation or other tests depending on the situation. Iron deficiency is one possible cause, but not the only one. For acne with additional signs of a hormonal disorder, a targeted workup may be appropriate. The symptoms decide the tests, not the supplement marketing.

Who might be a candidate for chlorophyllin at all

The clearest case for asking the question is diagnosed trimethylaminuria or certain problems with ostomy odor. Even then, the data are limited and use belongs within individual care.

With new or persistently unusual body odor, finding the cause comes first. For acne, fatigue or suspected anemia, a different diagnostic and treatment basis makes more sense. If you enjoy drinking the drops, persistent complaints should still be checked out separately.

Better-studied options for the same goals

For acne, depending on severity, there are options such as topical retinoids, benzoyl peroxide and other dermatological treatments. Choice and use take into account skin tolerance and pregnancy, among other things.

In confirmed iron deficiency, treatment depends on the cause and severity; oral iron or, in certain situations, intravenous iron may be needed. Without a proven need, iron is not a general-purpose energy supplement either.

In trimethylaminuria, a specialist team can discuss diet and other options. Cutting choline sharply on your own is not a good idea, because choline is an essential nutrient. For ostomy odor, questions about ostomy supplies and diet also come into play, which an ostomy nurse can assess.

Clarify the goal first

If you want to buy drops because of persistent complaints, first name what you want to change. Treating acne, investigating anemia and looking into unusual body odor are different tasks. None of them needs a standard before-and-after lab package or a blanket test after 8 to 12 weeks.

The bottom line

The clinical uses studied so far concern a few clearly defined situations. Chlorophyllin offers interesting lines of research, especially on binding certain substances in the gut. The popular promises for skin, blood formation and general detox go well beyond that. If what you mainly want is a low-sugar drink, you do not need an additive marketed as having active effects.

Frequently asked questions

What is liquid chlorophyll?

Usually a drink additive containing sodium copper chlorophyllin, a modified, water-soluble form of the plant pigment. The ingredient list is what counts.

Does it help with acne?

The small studies mainly involve applying it to the skin. They do not show an effect of drinking the drops.

Does it reduce body odor?

There are limited data for particular clinical situations. That does not show a reliable effect against body odor in general.

Does it build blood?

No. Its structural similarity to heme does not imply any such effect. Anemia needs its cause investigated.

Who should be especially careful?

People who are pregnant or breastfeeding, and people with relevant medical conditions or complex medication regimens, should not judge supplements on advertising claims alone.

What side effects are possible?

Greenish excretions and gastrointestinal complaints. Mention any discoloration when you have lab tests.

Does it detoxify the body?

A general detox effect has not been shown. The aflatoxin study looked at a specific exposure and must not be generalized.

Which blood values should you check?

None as a matter of routine because of the drops. Tests depend on symptoms, such as suspected anemia, not on a general “chlorophyll success.”

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