Solgar Ester-C Plus Effervescent Drink offers a unique and refreshing way to supercharge your water and get you through the day. Packed with scientifically studied Ester-C, B-vitamins, zinc, and magnesium, these sachets provide 24-hour immune support and help to recharge your body and mind. Ester-C vitamin C stays in the body longer than standard vitamin C forms, offering sustained immune support. B vitamins are water-soluble nutrients crucial for maintaining nervous system health, psychological well-being, and energy production, with B6 and B12 also supporting healthy immune system function. Zinc is an important trace mineral that supports a healthy immune system, maintains the skin barrier, and ensures the development and function of immune cells. Vitamin C contributes to the normal function of the immune system, protection of cells from oxidative stress, and energy-yielding metabolism. Vitamins B6 and B12 contribute to normal immune system function, and magnesium contributes to electrolyte balance. Each sachet contains Vitamin C (as Ester-C®, calcium-L-ascorbate) 1026mg, Sodium 208mg, Potassium 280mg, Magnesium 94.5mg, Calcium 210mg, Phosphorus 150mg, Vitamin B12 25µg, Zinc 2mg, Vitamin B6 10mg, Niacin 5mg, Manganese 0.5mg, Pantothenic Acid (Vitamin B5) 2.5mg, Vitamin B2 0.43mg, Vitamin B1 0.38mg, and Folic Acid 120µg. The product has a natural orange flavor.