Simply Natural Glass Bottle
The NUK Simply Natural Glass Bottle features a sturdy glass material that is easy to clean and does not retain odors. The nipple is designed to mimic the fit, flow, and movement of mom as closely as possible.
How scores are calculated
Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.
Packaging (20%): Is the product packaged in plastic? Is it recyclable?
Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?
Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.
This is a rating of this specific product only — not the company. Other products from this brand may score differently.
Last updated: April 8, 2026
The bottle is glass, but contains plastic components (polypropylene and silicone). There have been recalls due to lead in the markings of some NUK glass bottles, which is a significant health concern.
Why We Rated It This Way
NUK's Simply Natural Glass Bottle is made from Borosilicate glass bottle, silicone nipple, polypropylene protective cover and bottle rim. Certifications: BPA-free.
Chemical & Health Analysis
Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.
Various plastic chemicals
NUK Simply Natural Glass Bottle
Potential for microplastic exposure from polypropylene and silicone parts. Past recalls due to lead in bottle markings.
All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.
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