Blackberries are rich in vitamin K, which is essential for the bone formation process. Research has shown that deficiency of vitamin K results in bone weakening, easy fractures, and osteoporosis.

Manganese is another chief ingredient of Mannofit that is essential for collagen production. Collagen is one of the most abundant proteins in our body and works as a building block in the formation of bones, joints, ligaments, and other connective tissues. According to research, people consuming an adequate amount of manganese have stronger joints and healthier skin. Another component of blackberries is calcium that has a role in bone mineralization, which causes the bone to strengthen. [i]