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Traditional endocrinologists and urologists prescribe HCG for appropriate medical indications

They are also a good source for information about local resources

Plant foods contain no B12 unless fortified, and vegans face higher deficiency risk because natural sources are limited to animal foods

While oral supplements are effective, absorption can be influenced by timing and digestive health

Telemedicine and shared care models offer partial solutions but require additional infrastructure and training investments (Ghai et al., 2020)

Because vitamin B12 is naturally only predominantly present in animal products (like meat, fish, dairy, and eggs,) vitamin B12 deficiency is a common problem that especially impacts individuals who eat a vegan or vegetarian diet