In most patients, desensitization offers slow, steady, and significant improvements within six to 12 months after initiation of treatment
Philbeck 2010
Additionally, there are certain classes of medications that hinder healing, including immunosuppressants, corticosteroids, non-steroidal anti-inflammatory drugs (NSAIDs), and anticoagulants
The effects are accumulating even if you can't see them yet
Recommendation : Vitamin B-12 (as cyanocobalamin) 2,500mcg or more, can be combined with Folic Acid 400 to 800 mcg, dissolved slowly under the tongue, the morning or early afternoon, once daily, or as directed by your healthcare provider