KR-D3 Drop - (30ml)" could potentially refer to a dietary supplement containing Vitamin D3 in drop form. Here's what the components typically signify:

1. KR-D3: This could be the brand name or a specific product name.
2. Drop: Indicates the form of the supplement, suggesting that it comes in liquid drop form.
3. 30ml: Specifies the volume of the liquid in the bottle, which is 30 milliliters in this case.

Vitamin D3, also known as cholecalciferol, is a fat-soluble vitamin that plays a crucial role in calcium absorption and bone health. It's synthesized by the body when the skin is exposed to sunlight but can also be obtained from certain foods and supplements. Vitamin D3 supplements are commonly available in various forms, including drops, capsules, and tablets.

Typically, Vitamin D3 drops are administered orally, and they are often used for infants, young children, or individuals who have difficulty swallowing pills. The dosage and usage instructions should be followed as per the product label or healthcare provider's recommendations. If you have specific health concerns or questions about supplementation, it's advisable to consult with a healthcare professional