F1 Sustain – A Proven Fat Supplement for High Yielding Herds

F1 Sustain is a proven fat supplement for high-yielding herds, increasing dietary energy density to reduce body condition loss and improve overall production, health and fertility.

dynalac’s unique combination of fatty acids helps meet the energy needs of milking cows, while supplying the specific nutrients required for optimum performance at a time when intakes are suppressed.

A rumen-inert, highly digestible energy source, dynalac is ideal for incorporation in all dairy diets, regardless of stage of lactation.

A highly palatable free flowing meal.


There are many benefits to feeding F1 Sustain in your ration:

  • Increases overall energy supply
  • Supplies the essential fatty acids
  • Contains C18:1 (oleic acid) to help improve fat digestibility and maintain body condition
  • Supplies EPA & DHA omega-3 oils from the most effective marine oil source
  • Complements high-forage diets
  • Reduces the risk of fatty livers
  • Boosts the immune system to improve overall health and efficiency

Why Use F1 Sustain?

  • Improve intakes 
  • Higher milk yields 
  • Reduce body condition score losses 
  • Greater reproductive efficiency 
  • Lower levels of SARA 
  • Healthier, more profitable cows