BigGuy73 said:
What about the so called dangers of fibrils if the ph isn’t under 6? Anyone got any opinions on that? I desperately want to recon my cagri and start using it but still have concerns
What’s the Real-World Worst-Case Scenario?
Here’s the nightmare scenario floating around forums: If you reconstitute Cagri at a higher-than-optimal pH (neutral-ish conditions), the fear is you could form these fibrils.
Some people suggest these fibrils could theoretically deposit into your tissues or organs and cause damage, inflammation, or even long-term neurodegenerative issues.
That sounds terrifying, but hold tight before you toss out your peptides—because this scenario isn’t something you should lose sleep over, at least not in my opinion.
Is the “Worst-Case Scenario” Overblown?
Let’s clear something critical up: there’s no evidence—zero—linking small injections of slightly higher-pH cagrilintide solutions with actual amyloid diseases or long-term harm.
That extreme risk scenario is theoretical at best and far-fetched in practical terms.
Remember, BPC-157 theoretically could cause cancer, yet in rodent studies, it actually reduces tumor size and proliferation.
Theoretical risk should be taken seriously, but we also should weigh it against real-world outcomes.
I’ve dug deep into the literature, read all the available studies, and even heard from peptide chemists on this exact point.
Here’s the consensus: the main risk with using a less-than-ideal pH (like typical BAC water at ~5.7) isn’t catastrophic fibrillation—it’s just slightly faster degradation of the peptide.
Translation: at worst, your peptide might slowly lose some potency if stored improperly, but you’re not risking your brain or your pancreas.
Novo Nordisk, the manufacturer behind Cagri, does formulate their peptide at pH ~4.0 for optimal stability and long-term shelf life—but that’s more about chemical stability and ensuring the peptide maintains 100% potency during shelf life, not avoiding serious health risks.
This “worst-case scenario” just isn’t backed by the real-world data or peptide chemists — at least at this point in time.
Why BAC Water Alone Is Actually Totally Fine
Here’s what I personally do and what most people in the peptide community do successfully:
I use standard bacteriostatic water (BAC water) to reconstitute cagrilintide, store it in my fridge, and typically use it all up within a month.
Remember, BAC water is slightly acidic (around pH 5.5–6), reasonably close to ideal conditions.
Over short periods—like the few weeks most of us keep our peptide—it’s simply not enough time for significant degradation or aggregation to occur, especially when refrigerated.
Thousands of peptide users worldwide do this routinely without issues.
No fibrils, no noticeable loss of potency, just consistent results.
BAC water also contains benzyl alcohol, a preservative that ensures bacteria won’t grow in your vial, making it safer overall.
