L-carnitine plays a special role in stabilizing and maintaining heart function, increasing vitality and thus the dog's endurance and performance. This is because older dogs in particular often suffer from heart failure. Hawthorn for: - Increasing heart performance - Increasing the tolerance of the heart muscle to oxygen deficiency. Studies with working dogs showed a significant improvement in performance parameters with the addition of L-carnitine, especially in newborns whose body synthesis is still limited, but also in animals with increased demands. As early as 1988, the L-carnitine content in the heart muscle of dogs with heart problems was investigated. Of 20 animals, 7 had a reduced L-carnitine content in the heart muscle tissue. These dogs were successfully treated with oral L-carnitine supplementation. After discontinuing the supplement, the heart muscle problems reappeared. Effects of an adequate L-carnitine supply: - it promotes the healthy development of puppies - it reduces the deposition (accumulation) of fats in the tissues - it supplies fatty acids for energy use - it ensures a sustainable energy supply for the animals - it increases the condition of working dogs - it reduces muscle breakdown, protects muscle membranes during muscle performance - it shortens the recovery phase of animals after sports performance - it prevents heart muscle problems. Note: Feed analyses of various commercial complete dog foods showed strikingly low L-carnitine contents compared to pure meat feeding. The carnitine content of these ready-made feeds was more than 10 times lower than that of pure meat. In fact, L-carnitine is absorbed less well by the dog's kidneys than in non-carnivorous animals. A higher excretion of vital L-carnitine in pets can therefore lead to a critical deficiency compared to wild animals. For this reason, Canina's HERZ-VITAL is strongly recommended, no matter what you feed. It is recommended to seek the advice of our veterinarian before feeding or extending the feeding period. Content: 100ml, Composition: Dextrose, special vitamin yeast, plant extracts, Ingredients: Crude protein 4.0%, crude fat 0.5%, crude fiber 0.0%, crude ash 1.0%, potassium 0.2%, water 53.0%, Additives per liter: L-carnitine 30,000mg, Feeding recommendation per animal per day: Small dogs: 1 teaspoon with food, Medium dogs: 2 teaspoons with food, Large dogs: 3 teaspoons with food, Recommended feeding period: Initially up to 6 months. It is recommended to seek the advice of a veterinarian before feeding or extending the feeding period.