Stay in the loop with LoopPep

Close the loop on every stage.

Peptides and protocols work. But without measurement you're guessing. LoopPep pairs every stage of the wellness journey — GLP-1, gut healing, parasite cleanse, optimized health — with the cheap biomarker tests that prove it worked. Test before. Run the stage. Retest after. That's the loop.

Everything here is free. We only earn when you use our affiliate links to order tests or services.

The LoopPep method

Same loop. Every stage.

Whether you're on a GLP-1, cleaning up your gut, running a parasite cleanse, or optimizing for the long haul — the method doesn't change. Bracket every protocol with the right biomarker tests. Compare. Adjust. That's the closed loop.

1

Test BEFORE

Order the stage's biomarker panel. This is your reference point.

2

Run the stage

Take the peptide, do the protocol, follow the schedule. The actual work.

3

Test AFTER

Same panel. Compare side by side. Let AI explain what moved. Adjust. Retest.

Why we measure

Every stage is built around testing before and after. Here's why.

~40%

of GLP-1 weight loss can be lean muscle

Without protein optimization and tracking, you lose what you don't want to lose.

12.7%

develop nutritional deficiencies in 6 months

Eating less means eating denser. Vitamin D, iron, B12, magnesium — these matter.

$75

is what a full panel costs DTC

Hospitals charge $500-1,000+ for the same tests. We show you where to skip the markup.

Ready to pick a stage?

Start at Stage 1 if you're new. Jump ahead if you already know where you are. All four pages are free; all four have affiliate links to the tests we recommend.

LoopPep is an educational resource, not a medical provider. We do not prescribe or dispense medications.