A powerful high energy tonic containing a complex mix of absorbable iodine's, active iron, cobalt, sodium molybdate and pure Vitamin B12. all carried on a high energy base. IMPACT helps:* Natural resistance* Thyroid gland function* Stimulates metabolism* Purges the blood* Produces pink clean skin* Birds seem to blow upWe recommend that fanciers use IMPACT twice a week during racing and three days a week to birds that are about to be paired up. Use at least once once a week in the stock loft throughout the year.Size: 250ml