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This contact time allows sublingual absorption to occur

Tissue-related and regenerative research models where structural integrity, matrix remodeling, or barrier function are endpoints

It was removed from the FDA's Category 2 restricted list on April 22, 2026, but that alone doesn't authorize compounding pharmacies to prepare it for human use

More recent work continues to support this mechanism (Walker, 2006)

For easier dosing calculations, many practitioners use: 2 mg vial + 2 mL bacteriostatic water = 1 mg/mL (1,000 mcg/mL) 5 mg vial + 2 mL bacteriostatic water = 2.5 mg/mL (2,500 mcg/mL) Step 3: Draw Bacteriostatic Water Clean the rubber stopper of the bacteriostatic water vial with an alcohol prep pad