Yes, certain health conditions can inhibit vitamin absorption. These include digestive disorders like Crohn's disease, celiac disease, and chronic pancreatitis. These conditions can interfere with the body's ability to absorb fat, which is crucial for the absorption of vitamins A, D, E, and K.
Certain lifestyle choices, like excessive alcohol consumption and smoking, can interfere with the absorption of vitamins and minerals, specifically B vitamins. Aging can also affect absorption, as the production of stomach acid necessary for vitamin B12 absorption decreases with age. So, it's essential to understand these factors and adjust diet or supplement intake accordingly.