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Palatable, highly effective syrup, containing Glucosamine, MSM and marine collagen to restore and maintain joint mobility and health. 


  • Glucosamine HCL– a key component of cartilage (120,000 mg/L)
  • MSM– promotes joint and ligament health (33,300 mg/L)
  • Marine Collagen – as a source of CalciumChondroitin Sulphate and Hyaluronic Acid
  • Glucosamine in free form = 100,260 mg/L
  • Chondroitin = 1,330 mg/L


  • Designed for long-term supplementation and use during competition; Ost-O-Flex is a powerful combination of ingredients to aid cartilage and joint fluid production thereby maintaining joint health, lubrication and shock absorption.
  • Glucosamine, a key component of cartilage, blends with MSM for improved cartilage production and its anti-inflammatory properties, with superfood Marine Collagenproviding CalciumChondroitin Sulphateand Hyaluronic AcidChondroitin Sulphate is necessary for cartilage production, whilst Hyaluronic Acid is a key component of joint fluid.
  • The beneficial effects of Ost-O-Flex become evident within as little as two weeks

Suitable for:

All performance horses

Directions For Use

Give twice daily for first 10 days, then give once per day as a maintenance dose

BODYWEIGHT                    DOSE PER DAY

450-600KG                          Adult Horses      30ml

300-450KG                          Small Horses / Ponies     15ml

Analytical Constituents

PER L                                     ER 30ml

E5 Manganese (Manganous Sulphate Monohydrate)      3,200 mg (10000mg)        96 mg (300mg)