The invention is a method for treating patients with Parkinson's disease by orally administering a controlled release levodopa formulation and the method provides an improvement of a patient's total post-dose Off time, total post dose On time and total post dose Good On time compared to post-dose of treatment regimens with oral immediate release levodopa tablets.

A method of preventing progression of an appearance or effect of aging in a subject is provided. A method of preventing, limiting, or inhibiting injury to skin integrity in a subject is also provided. A method of substantially maintaining a state of skin integrity in a subject is further provided. A method of preventing a topographical change of a cutaneous layer of skin in a subject is still further provided. The methods comprise administering an effective amount of a preparation comprising ammonia oxidizing microorganisms to the subject. Related preparations and kits are also provided.

Described herein are methods and compositions for treating diabetes mellitus, concerning oral pharmaceutical compositions comprising insulin in combination with a GLP-1 analogue.

The invention is a method for treating patients with Parkinson's disease by orally administering a controlled release levodopa formulation and the method provides an improvement of a patient's total post-dose Off time, total post dose On time and total post dose Good On time compared to post-dose of treatment regimens with oral immediate release levodopa tablets.