Maintz L, Novak N
No prescription required
Pinch a small fold of skin
Blood thinners: No documented interactions, but TB-500's effects on angiogenesis warrant awareness
[6] [3] [10] A mild deficiency may not cause any discernible symptoms, but moderate deficiency can cause various symptoms, such as feeling tired, lightheadedness, headaches, cold intolerance, pale skin, sore tongue, upset stomach, loss of appetite, hair and skin color changes, numbness or tingling (pins and needles) of the fingers and toes, and tinnitus, and vision, cognitive or psychological problems
As I said, becoming symptomatic quickly may indicate that more frequent/lower dose B12 is a better treatment strategy, not that liver or other stores cannot be utilized