PEG

Caution OtherSynthetic

PEG is a synthetic other used in dietary supplements. Safety rating: Caution. Some individuals may want to exercise caution — consult a healthcare provider if concerned. Found in 16 supplements in the GoodSupp database. Polyethylene glycol (PEG) is a synthetic polymer compound.

16 Products use this
Caution Safety rating
Other Category
No Natural origin

Safety Verdict: Caution

May cause allergic reactions or contain harmful contaminants.

What is PEG?

Polyethylene glycol (PEG) is a synthetic polymer compound.

Common Names PEG, Polyethylene Glycol
Type Other
Origin Synthetic / Manufactured
Safety Rating Caution

Why is PEG used in supplements?

It is used as a binder, coating, or emulsifier.

Role in supplements: Other — serves a functional role in supplement formulation.

Should you be concerned about PEG?

Worth noting. PEG has some considerations that certain consumers should be aware of, though it is used widely in the supplement industry.

May cause allergic reactions or contain harmful contaminants.

Review recommended. Consider your individual health situation and consult a healthcare provider if concerned.

Top-rated products containing PEG

These 16 highest-scoring supplements in our database use PEG.

Related Ingredients
Frequently Asked Questions
Is PEG safe in supplements?

PEG carries a caution rating in supplements. While it is widely used in the industry, there are some considerations consumers should be aware of. This doesn't necessarily mean it's dangerous, but rather that certain populations (such as pregnant women, children, or people with specific health conditions) may want to exercise extra care. May cause allergic reactions or contain harmful contaminants. In GoodSupp's database, 16 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is PEG and why is it in my supplement?

Polyethylene glycol (PEG) is a synthetic polymer compound. It appears in 16 products in the GoodSupp database.

Is PEG natural or synthetic?

PEG is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.