Anyone can be affected, but some groups are more at risk: Vegetarians and vegans, since B12 mainly comes from animal products Older adults, as absorption gets harder with age People with digestive issues like Crohns or coeliac disease Those taking certain medications, such as long-term metformin or stomach acid reducers People with pernicious anaemia, an autoimmune condition that stops you from absorbing B12 If you fit into one of these categories and notice symptoms, its worth getting your levels checked
However, despite these benefits, the viscous texture of ophthalmic ointments can cause blurred vision, irritation, and discomfort, which may affect patient compliance, particularly with frequent use [358]
Manufactured exclusively for research applications, this product is produced to stringent quality standards to support reproducibility in scientific studies
Cardiovascular effects vary by timing of treatment initiation, age, and individual health history