Discuss w/ UR Doctor: These are two very different products, one is a vitamin b shot to help boost your oxygen capacity of your blood and is a B12 vitamin, and the other is a vaccine to protect against hpv. So, the thinking should be less about which one hurts less, if both are needed. More on how it can help you even with momentary discomfort. The B12 hurts less, but the vaccine may not hurt a lot either depending on your pain tolerance.
Answered 6/24/2014
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