That means some supplement products may not contain what the label says.

However, these are not all well-supported by scientific evidence.

No supplement is intended to treat, cure, or prevent disease.

Food sources of Chlorophyll and an illustration of several healthy vegetables and fruits

Illustration by Zoe Hansen for Verywell Health

Below is a look at some of the science behind popular uses of chlorophyll.

The review also points out the potential antioxidant effects of chlorophyll that may be useful in treating cancer.

Human trials are necessary to support these and other claims surrounding chlorophyll’s role in cancer prevention.

Stronger research is needed in this area to confirm chlorophyll’s potential role in skin care.

Other Uses

Chlorophyll may have other uses, but research is severely lacking.

Be sure to talk with your healthcare provider before using chlorophyll.

There are many supplements that are similar to chlorophyll.

Though chlorophyll is generally considered safe in supplement form, some people may experience mild side effects.

Chlorophyll supplements rarely cause severe reactions.

In fact, very few have been reported.

However, it is possible to have an allergic reaction to chlorophyll supplements.

Precautions

Chlorophyll is thought to be safe for most people.

However, some people should take extra precautions.

People who are pregnant or breastfeeding should consult a healthcare provider and may need to avoid using chlorophyll.

It is also unknown if it is safe for children to use chlorophyll supplements.

Interactions

Chlorophyll supplements may interfere with certain medications, herbs, and supplements.

However, these interactions are not well-documented.

Although it has not been completely proven, researchers believe the delayed clearance of methotrexate was due to chlorophyll.

It’s important to note that this interaction has only been reported in this one case.

Other interactions between chlorophyll and drugs, supplements, or foods may exist.

More research is needed in this area before we can know the full safety profile of chlorophyll supplements.

Due to a lack of quality research, there are no approved dosage guidelines for chlorophyll supplements.

As a general rule of thumb, do not exceed the dose printed on the product label.

What Happens If I Take Too Much?

In general, chlorophyll is not consideredtoxicor poisonous.

However, consuming more chlorophyll than recommended may increase your risk of side effects.

To prevent any negative reactions, only use chlorophyll supplements as directed.

Some chlorophyll supplements may require refrigeration.

This information should be listed on the product label or packaging.

Be sure to follow storage directions as listed.

Keep supplements out of the reach of small children and pets, and double-check they are properly sealed.

Discard chlorophyll supplements once they pass their expiration date.

It’s always best to take a food-first approach to nutrition.

This means getting all the nutrients you’re able to from food instead of supplements.

A healthy, well-balanced diet will always top herbs and supplements.

Food Sources of Chlorophyll

Chlorophyll is found naturally in variousfruits and vegetables.

Chlorophyll supplements are available in tablet, capsule, gummy, and liquid form.

However, there is little evidence to support these claims.

Chlorophyll should not replace prescribed medications or other conventional treatments you may need.

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