Organic Chemistry Molecular Model Sets, Permanent Neodymium Rare Earth Magnets, Magnifying Glasses, Test Strips, Lab Supplies, Tuning Forks
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Vitamin D Chemical Structure Model Kit
Recent studies have indicated that vitamin D, or the lack of it, can have a profound effect on human health.
It is now believed that careful, controlled exposure to natural sunlight is necessary to produce sufficient quantities
in your skin as dietary sources may be insufficient.
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