It can be kept at room temperature for a few weeks without significant degradation, which is why we can ship it safely
The practical impact is small
Hormone Replacement Therapy (HRT) has helped millions of women navigate perimenopause and menopause with fewer symptoms, better sleep, and improved quality of life
You do get B12 in foods such as, red meat, poultry, fish, and eggs
The study authors note that this effect size is similar to what is observed with many approved drug therapies, minus the side effects and costs
Do not use a vial when sterility is questionable or when its appearance differs from the product instructions, including unexpected cloudiness, particles, precipitation, or color change