Melatonin

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Common questions

Is Melatonin healthy?

Melatonin scores 61/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This melatonin supplement contains a few additives, including magnesium stearate and natural peppermint flavor, which are often criticized for their lack of transparency and potential impact on ingredient absorption.

How processed is Melatonin?

Melatonin is NOVA Group 4: Ultra-Processed Foods.

Which ingredients drive Melatonin's score?

In Scout's ingredient-by-ingredient analysis, Natural Peppermint Flavor is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Melatonin

Trader Joe's
61 Fair

Analysis updated September 2026 · How Scout scores

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At a glance

Beneficial ingredients 0
Harmful ingredients 1
Owned by Trader Joe's
Category Sleep
Summary

This melatonin supplement contains a few additives, including magnesium stearate and natural peppermint flavor, which are often criticized for their lack of transparency and potential impact on ingredient absorption. While the formulation is relatively simple, the presence of these additives and the ultra-processed nature of the product slightly detract from its overall quality. The product does not contain any artificial dyes or sweeteners, which is a positive aspect.

Key ingredients 5

Lactose
Neutral

Lactose is a sugar derived from milk, commonly used as a filler or binder in supplements. It is generally considered neutral unless there is lactose intolerance. It does not provide significant nutritional benefits in this context.

Risks

May cause digestive issues in individuals with lactose intolerance.

See more about Lactose →
Microcrystalline Cellulose
Neutral

Microcrystalline cellulose is a refined wood pulp used as a bulking agent in supplements. It is considered neutral as it is inert and not absorbed by the body. It serves primarily as a structural component in tablets.

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Croscarmellose Sodium
Neutral

Croscarmellose sodium is a disintegrant used to help tablets dissolve in the digestive tract. It is considered neutral as it is generally recognized as safe and does not contribute to nutritional value. It aids in the effective delivery of active ingredients.

See more about Croscarmellose Sodium →
Magnesium Stearate
Neutral

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Risks

Potential contamination and may inhibit absorption of nutrients.

See more about Magnesium Stearate →
Natural Peppermint Flavor
Bad

Natural peppermint flavor is used to enhance taste but can be a catch-all term for various compounds. It is penalized due to lack of transparency and potential for synthetic additives. The term 'natural' does not guarantee purity or health benefits.

Risks

Potential for synthetic additives and lack of transparency in ingredient sourcing.

Benefits

May improve palatability of the product.

Processing

Group 4 · Ultra-processed

Ultra-Processed Foods

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