It is classified as an essential vitamin but may be better thought of as The Stress Hormone. See the write up on the many vital functions of vitamin C for more details
Mariana Islands, Comoros, Cook Islands, Cte d'Ivoire, Cuba, Falkland Islands, Faroe Islands, Federated States of Micronesia, Georgia, Greenland, Guam, Guinea Republic, Guinea-Bissau, India, Iran (Islamic Republic of), Iraq, Kazakhstan, Kiribati, Kosovo, Kyrgyzstan, Marshall Islands, Mauritania, Nepal, Niue, North Macedonia, Palau, Republic of Moldova, Republic of Nauru, Republic of Yemen, The D.P.R
L-carnitine is a derivative of amino acids and naturally occurs in foods, but significant amounts are only found in dark meats (due to high concentrations of mitochondria)
AdvaCare Pharma produces a wide range of vitamin B injections, including Vitamin B1 Injection (Thiamine HCl), Vitamin B6 Injection (Pyridoxine HCl), and Vitamin B Complex Injection