This guide aggregates the available rodent PK data, protocol-design implications, and known gaps
For patients with pernicious anemia, severe malabsorption, or acute neurological symptoms, injections remain the appropriate clinical choice
23 Pulmonary absorption gives instant presentation of levodopa to the absorptive membrane, which has a large surface area and low metabolic activity, 24 hence avoiding the variability in gastrointestinal absorption, poor pharmacokinetics, and consequent delayed on, or no on, or even dose failures with oral levodopa therapy
This prescription-strength injection is designed for maximum absorption, helping to boost energy, repair nerve damage, and enhance mental clarity
Lysenko et al