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Since these updates to the list have never been formally proposed in the CY 2026 PFS proposed rule (90 FR 32593 through 32597), there has been no opportunity for interested parties to comment and provide feedback before the assignments are finalized in the final rule

According to scientific research on nutrient bioavailability, IV administration allows for serum concentrations of nutrients that are simply not achievable through oral or even intramuscular routes

The 15 mg/mL concentration (2.0 mL water) is the most concentrated practical option for this vial size

Hair-Growth-Promoting Effects of the Fish Collagen Peptide in Human Dermal Papilla Cells and C57BL/6 Mice Modulating Wnt/-Catenin and BMP Signaling Pathways