Strong preclinical evidence
The NIH states that no evidence indicates different supplement forms have different absorption rates
References: Buxton ILO (2006): Pharmacokinetics and pharmacodynamics: the dynamics of drug absorption, distribution, action, and elimination
Point your syringe upward toward the ceiling, and slowly press the plunger down to push all excess air out of the syringe, including air bubbles
The dichotomy is about where each route concentrates the peptide most efficiently , not an absolute on/off boundary
The primary body discusses existing data, mechanisms, and pragmatic considerations for reproductive utilization