Pure pharmaceutical grade Vitamin C powder offers a wealth of health benefits to your horse such as immune system support and collagen production for soft tissue maintenance. 
Vitamin C is crucial for the production and maintenance of collagen, which is the main component of connective tissue (ligaments, tendons and joint cartilage).
Vitamin C also assists in the absorption of copper and iron and can regulate the metabolism of certain fats, calcium and some amino acids. No fillers or bulking agents added.
Feeding guide:
Under 300kg: 5g, half a 15ml scoop
300 – 500kg: 10g, one 15ml scoop
Over 500kg: 15g. one and a half 15ml scoops