Nature Made® Vitamin B12 1000mcg Tablets 75ct.

From the manufacturer's website: 

Along with other B vitamins, vitamin B₁₂ is important for converting the food you eat into cellular energy. Vitamin B₁₂ is also important for proper red blood cell formation and normal function of the nervous system. Vitamin B₁₂ supplements may be important for vegetarians and vegans who avoid dietary sources rich in vitamin B₁₂.

• Helps convert food into cellular energy
• Essential for proper red blood cell formation
• Helps support nervous system function

Warning: Given that no two people are alike, if you are taking any medications you should be aware that potential drug-nutrient interactions may occur and are encouraged to consult a health care professional before using this product. Combining certain prescription drugs and dietary supplements can lead to undesirable effects such as:

• Diminished drug effectiveness
• Reduced supplement effectiveness
• Impaired drug and/or supplement absorption