Vitamin D K2 Liquid
Vitamin D and K2 liquid supplement. NSF certified. No artificial colors flavors. Glass dropper bottle.
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.
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Last updated: April 13, 2026
Supplement capsules are often made from gelatin or synthetic polymers. Plastic bottles leach chemicals into supplements. Many supplements contain synthetic fillers.
Why We Recommend This Product
Thorne Vitamin D K2 Liquid is NSF certified for sport with no artificial colors flavors or preservatives. Glass dropper bottle. No unnecessary fillers.
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