I just worry that the headline/photo here is misleading
Disclaimer: The FDA does not approve compounded medications for safety, quality, or manufacturing
Injections allow the body to absorb Vitamin B12 without it having to go through the digestive system like oral tablets
The maximum daily dose of a vitamin is unlikely to cause any significant side effects
The other type, methylcobalamin, is a natural form of Vitamin B12

NICE-recommended weight management strategies include: Dietary intervention aiming for a 600 kcal/day deficit through reduced portion sizes, limiting energy-dense foods, and increasing fruit and vegetable consumption Physical activity building up to 150300 minutes of moderate-intensity aerobic activity weekly, plus muscle-strengthening activities on at least two days weekly, in line with UK Chief Medical Officers' guidelines [10] Behavioural approaches including self-monitoring, goal-setting, and addressing emotional eating patterns Commercial weight management programmes such as those meeting NICE quality standards (QS127) Very-low-calorie diets in specific circumstances, under clinical supervision and for limited periods For patients with a BMI 30 kg/m (or 27.5 kg/m in those of South Asian, Chinese, or other Asian family origin) who have not achieved adequate weight loss through lifestyle measures alone, pharmacological interventions may be considered