RÖHNFRIED® Bt-Amin® forte is a high-dose vitamin B supplement for birds, containing amino acids, electrolytes, and B vitamins in a special formulation. It supports blood formation, nerve function, muscle health, and the immune system, especially during the breeding season and molting. It contains, among other ingredients, water, propylene glycol, fructose, and various vitamins and amino acids. The recommended dosage is 15 ml per liter of drinking water.