
Vitamin C Plus 1500mg with Quercetin, Elderberry and Holy Basil Dietary Supplement. Comprehensive Immune Support: Zinc, Calcium, and Magnesium work together to boost immune cell function and antibody production. Enhanced Mineral Absorption: Slow-release formula ensures gradual release for better body utilization of essential minerals. Cognitive Function Support: Magnesium and Zinc support neurotransmitter function, improving memory and mental clarity. GMP Certified Manufacturing: Produced in a GMP standard D grade purification plant with high standard laboratory. Flexible Customization: Available in various shapes, sizes, and dosage forms including tablets, capsules, and powders. Private Label Service: OEM/ODM services available with custom packaging options like bulk, bottles, and blisters. Fast Delivery Time: General delivery time ranges from 10 to 30 days depending on order specifics. High Production Capacity: Annual production capacity reaches 300 million pieces to meet large volume demands.