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Sulphurated amino acids and their roles:
  • Muscular anabolism
  • Formation of skin, hoof, coat
  • Indispensable for optimal growth
  • Needed for physical exercise

Sulphurated amino acids and their sources:
  • Whey proteins
  • Eggs
  • Soya

Amongst the sulphurated amino acids, it is necessary to consider cystine and methionine. 

It seems that methionine is a limiting amino acid in diets for sport horses. It plays a particular role in protein biosynthesis. It is important to remember that vitamin B12 acts as coenzyme in the synthesis of methionine.

The estimated needs for methionine are 0,18 g per kg of metabolic weight and per day.

The metabolic weight corresponds to the horse's weight to the power of 0.75: for example a horse of 450 kg:  450 0.75 = 98 kg of metabolic weight; such a horse will need 17.6 g of this amino acid per day.
TWYDIL® products that contain this ingredient:




A great number of standardbreds fans visited our TWYDIL® stand during the Trotter Stallions...

Product of the month




The season has begun and with the increase of the workload, the risk of gastric ulcers is maximum.

For your horses in lack of fitness, think of TWYDIL® STOMACARE. This product keeps your athletes in good shape, ensures their gastric well-being and strengthens their stomach defenses.

Studies show that the activity of the product is visible after 2 weeks with a maximum effect occuring after 4 weeks of complementation. TWYDIL® STOMACARE should be given 15 minutes before exercise.