the FDA itself hasn't formally loosened restrictions yet. The vote came from the PCAC, not the FDA, and their recommendation is strictly advisory, not legally binding. According to Holt, nothing changes for consumers right now simply because the PCACs vote is an advisory one
Mode of Failure: Physical Stability For low water activity (0.20-0.40 aw) products such as snacks, dry pet food, and food powders, chemical reactions and microbial contamination are not the most likely modes of failure
I think the half life is much faster than that
PanOxyl may also bleach colored fabrics
Studies were mainly on patients with vitamin B12 deficiency with a subset of patients with pernicious anemia
Key benefits include: Improved animal performance: consistent supply of Vitamin B12 is essential for energy production and therefore growth