Amazon.com: VITOFARMA B12 5500 20ml Restorative Muscle Mass Optimal Weight Training Support Booster for Rooster Suplemento para Gallos b12 20 ml (50 ml) : Health & Household Weimer B12 Vitamin B 12 10ml For Gamefowl Fighting Cocks Chicken Rooster Made in Germany plt petpoultryph Adult Bird Supplement Pet Poultry Health Lazada Lazada PH Neurobion Poultry and Birds sterile solution 10 ml Vitofarma Super Vitamina b12 5500 30ml (EXPIRY MAY 2028) for Conditioning Maintenance of Gamefowl Fighting cocks Game birds Rooster Manok Panabong *Cyanocobalamin 2,500 mcg*Hydroxocobalamine 3,000 mcg*Vitamin B15 1,250 mcg*Biotin 50 mcg*Liver Extract 4%* Lazada PH HYPER B12 FOR GAMEFOWL CONDITIONING (10ML 1 BOTTLE) HOW TO USE: Inject 0.3ml once a week (Conditioning). Last administration of Cyanocobalamin is 3 days before the fight (PM). #hyperb12 #GAMEFOWL #SABONG #MANOK