Feed supplement with a double effect:

  1. helps the fight against pulmonary viruses
  2. delay the appearance of fatigue

In practice

  • Reinforce pulmonary protection from environmental germs.
  • For horses suffering from sudden cold, red mucosa, temporary fatigue or lack of energy.
  • For final preparation of horses for competition seasons.

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Absorption and kinetics

For horses suffering from sudden cold, this formula will be effective after 7 days. To delay the appearance of fatigue a minimum 12 days are necessary.


Sophisticated formula including mainly vitamin C, prebiotics, Palatinose, Panax ginsengGlycyrrhiza glabra and Berberis vulgaris.

(Download pdf)

Scientific base and bibliography

Results are published in our HPH scientific magazines 08/09 (Download pdf), 10/11 (Download pdf) and 13/14 (Download pdf) + (Download pdf)

Scipioni A., Dams L., de Moffarts B., Thiry E.,: In vitro susceptibility of equine herpesvirus type 1 to two feed additives containing flavonoids. In proceedings: Hippos congress, Liège, Belgium, 2008
Fortier G., Pronost S., Miszczak F., Fortier C., Léon A., Richard E., Van Erck E., Thiry E., Lekeux P.: Identification of equid herpesvirus 5 in respiratory liquids: a retrospective study of 785 samples taken in 2006-2007. Vet. J., 2008

Antidoping certificate: THE TWYDIL® SOLUTION

  • Withdrawal period before competition: 48 hours
  • TWYDIL® remains worldwide the only company to undertake a triple control at the LCH laboratory on the product and on the blood and urine of a horse having received an overdose of the TWYDIL® product before release, proving that after 48 hours no prohibited substances were found.

Declared content until expiry date

Thanks to the exceptional quality of the utilised ingredients and the most sophisticated techniques in producing and packaging its products, TWYDIL® is able to guarantee, under proper storage conditions and use, the declared content until expiry date.


Box of 10 sachets of 50 g
Carton of 100 sachets of 50 g