Hey, Oops3. If you can get some methylcobalamin sublingual tablets, which are put under the tongue and absorbed into the bloodstream, that will help heal the peripheral nerve damage from shingles. You can find them at
www.iherb.com I particularly like the Jarrow Brand of 5 mg. tablets. You can get discounts there on supplements and free shipping at a certain price point. I've been getting my supplements there since 1999. I hope your shingles goes away quickly. Have they thought about an antiviral for you?
You might also want to ask your primary doctor to test your B12 before you start any supplements. Do they know which ones you're taking?
Annie