Supplements Labs Vitamin D3 100 CWS Powder provides a high-quality, cold-water-soluble source of cholecalciferol for optimal absorption and versatility. Each 10 mg portion supplies approximately 1 000 IU Vitamin D3, contributing to normal calcium absorption, bone maintenance and immune system support.This fine powder is suitable for adults seeking to maintain healthy bone density, muscle performance and immune resilience. It blends easily into liquids or formulations and is free from gluten, soy, dairy and preservatives. Suitable for vegetarians. Use only as directed and do not exceed the recommended daily intake.