Freezing can denature the protein structure, rendering the medication ineffective and potentially unsafe
If you want to learn more, our Electrolytes section covers the basics
CHI and PIN services are typically provided by auxiliary personnel supervised by the billing practitioner, and MFTs and MHCs could serve as auxiliary personnel, as the codes do not limit the types of auxiliary personnel that can perform CHI and PIN services incident to the billing practitioner's professional services, so long as they meet the requirements to provide all elements of the service included in the code, consistent with the definition of auxiliary personnel at 410.26(a)(1)
Biochem J 1935;29:1951-69
However, scientific research shows that very high-dose oral B12 (1,000-2,000 mcg) can be effective for some, as about 1% can be absorbed without intrinsic factor