Yes, vitamin B12 is safe and essential during pregnancy
Can Vitamin B12 Be Harmful In Excess
If you want the underlying logic explained from scratch, see the peptide reconstitution guide, the guide to how much bacteriostatic water to use, and the insulin syringe units guide
And viewed through this lens, its not totally far-fetched to imagine how 5-Amino-1MQ could improve energy metabolism in muscles, the heart, and the brain, potentially impacting obesity, insulin sensitivity, cardiovascular disease, and cognitive function
Once precipitation occurs, the peptide is irreversibly denatured
But, your doctor might change this based on how you react and your health