The simple answer: capsules are often chosen for gut-focused support, while injections are often chosen for deeper recovery support
Enclomiphene also comes in oral form
References: Injectable therapeutic peptides an adjunct to regenerative medicine and sports performance? DeFoor, Dekker

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Who is administering ita licensed physician or an anti-aging consultant
At Reflections, we offer a few different options and most often recommend a combination approach to treatment for best results