PlexusDx dispenses its own MIC-B12 through the Longevity Protocols line, and the MIC-B12 product page lists the current formulation and pricing
This peptide, made of only 15 linked amino acids, was originally derived from stomach tissue
The need for homeostatic mechanisms to counteract these negative effects of Hebbian learning rules has been recognized since the earliest computational work on the subject (Von der Malsburg, 1973) and validated and specified in further work demonstrating that, to achieve both learning and stability of operation, neuronal networks need to be equipped with mechanisms of synaptic plasticity additional to Hebbain-type rules (e.g., Miller and MacKay, 1994
They can also help support more intensive treatments such as microneedling or any type of acid or retinoids, its best to space out the applications to prevent scalp irritation or sensitivity
This independent verification quantifies peptide purity and confirms absence of contaminating sequences or degradation products, so you can trust your research results