This could be because they huffed a lot at the time, or they might have other health conditions (like anemia) or a pre-existing vitamin B12 deficiency
Digestive Support Ironically, while digestive issues can impair B12 absorption, optimal B12 levels support digestive health: Contributes to healthy cell turnover in the digestive tract Supports proper nerve function for digestive processes Helps maintain the health of beneficial gut bacteria Contributes to efficient nutrient processing This creates a positive feedback loop where improved B12 levels enhance digestive function
Sources of B12 Vitamin B12 can be found in a wide variety of animal products, such as meat, fish, poultry, eggs, milk, yogurt, cheese and fortified foods such as breakfast cereal
Even though you are having a complete diet, your body will be lacking essential vitamins to keep itself healthy particularly as we age
Is it safe to use
human and veterinary use are excluded