What is the right testosterone injection needle size? Testosterone injection needles come in different sizes. The most common size is a 22-gauge needle. A 22-gauge needle is the size most often used for intramuscular injections. Some people prefer a smaller needle...
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100 Unit Insulin Syringe Needle Size
A 100 unit insulin syringe needle size is typically a 31 gauge needle. This size is a little smaller than a typical needle size for a human, but it is still effective for delivering the insulin dose. The smaller size may...
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