Here is a concise, factual product description based on verified sources: Semper Vitamin-D Drops with Probiotic Bacteria 10ml is an oil-based dietary supplement suitable for infants, children and adults. The drops contain Lactobacillus reuteri DSM?17938 together with vitamin?D3, delivered in sunflower oil and fully hydrogenated rapeseed oil. This combination supports normal immune function and healthy bone development. Semper Vitamin-D Drops with Probiotic Bacteria 10ml is lactose-free and easy to give on a spoon or mixed with food.