What Physician Assistants Do. Physician assistants, also known as PAs, practice medicine on a team under the supervision of physicians and surgeons. They are formally educated to examine patients, diagnose injuries and illnesses, and provide treatment.he work of physician assistants depends in large part on their specialty and what their supervising physician needs them to do. For example, a physician assistant working in surgery may close incisions and provide care before and after the operation.
The truth is that if you get enough vitamin B12 in your daily diet, you don't need to take any additional vitamin B12 supplements. But, you may need to take vitamin B12 if you are not getting enough of it.Here are some signs that you may need to take a vitamin B12 supplement:itamin B12 can help your body to reduce your homocysteine levels. And because homocysteine is one thing that can cause heart disease, vitamin B12 will be helping you to reduce your chance of getting it. Taking a Vitamin B12 Supplement. If you feel as though vitamin B12 can help you and your body.
2 How long does it take a vitamin B12 injection to take effect? Dr. Joel Gallant Dr. Gallant. Take effect?: I'm not sure what you mean by 'take effect.' the only indication for vitamin B12 injection is for people with severe B12 deficiency or those who are unable to absorb B12 from their diet.