Trying FGL peptide for memory – any real-world notes?

Posted by sleep_coastal in Cognitive & Nootropic - 5 points, 6 comments.

I’ve been experimenting with FGL peptide for the last three weeks. Anecdotally I took 2 mg subcut every other day, which lines up with the typical research range they list. The first few days felt neutral, just a slight warmth at the injection site.

By day ten I noticed my recall during evening reading sessions seemed sharper, especially for details I’d usually gloss over. Anecdotally it didn’t give me the buzz I get from Semax, more like a quiet background boost. I also tried stacking it with a low dose of Dihexa (10 mg oral) on alternate days, and anecdotally the combo felt smoother than either alone, less chance of overstimulation.

Headache was rare, only once after a late night and maybe dehydration. Has anyone else tried FGL solo or in a stack? Curious if the memory lift holds up longer term or if it fades after a month.

Would love to hear your experiences, especially any side effects you’ve seen beyond the injection site. Let’s compare notes.

Comments

• grinder_busy116: Three weeks is pretty short to call it a memory lift imo. Could just be you paying more attention because you started something new. I'd want to see if it holds at week six or seven before reading too much into it. The Dihexa stack part kinda raises my eyebrows though. Dihexa has a legit reputation for being potent stuff and stacking two cognitive compounds early on makes it hard to tell what's actually doing what. Have you tried FGL solo for a solid stretch first? Imo that's the only way you'l
• raj_j: Grinder_busy's got a point on the Dihexa stack. I ran Dihexa solo for a while before adding anything and honestly that was the only way I could tell what it was doing on its own. Stacking two cognitive compounds from the jump just muddies everything. The three week thing is fair too. Honestly I'd give any memory peptide at least 5-6 weeks before even forming an opinion. Recall is tricky to self-assess.
• curious_scientist: This is the right take imo. Stacking two cognitive compounds from the start is gonna make it impossible to parse effects. I made that mistake with Dihexa and Semax early on and spent weeks wondering which one was doing what. Run FGL solo for at least five or six weeks, then add Dihexa back if you want. Makes the whole thing actually interpretable.
• sleep_coastal: Yeah you're probably right. I jumped into the stack too early and now I can't tell if the recall boost is FGL or the Dihexa doing its thing. Anecdotally the smoother feeling could just be Dihexa mellowing out something else entirely. Gonna drop the Dihexa this week and run FGL solo through week six like you said. Did you notice any kind of plateau with Dihexa when you ran it by itself, or was it pretty consistent the whole time?
• sleep_coastal: Yeah the stacking critique is fair. I actually had run Dihexa solo for about a month before this, so I had a rough baseline, but you're right that adding FGL on top still makes it harder to attribute things. Anecdotally the reason I stacked was that Dihexa alone felt like it helped with focus but not recall specifically, and I was hoping FGL would fill that gap. Could just be wishful thinking though. I'm gonna keep going another few weeks solo on FGL to see if the recall thing holds up or fades
• sleep_coastal: Fair point on the three weeks being too short, that's exactly why I asked if it holds up longer term. You're right that the novelty factor could be inflating things. The Dihexa stack did start around day twelve though, so the first ten days were FGL solo, and that's when the recall shift started. But yeah, confounding it with Dihexa after that point makes it muddy. Gonna drop the Dihexa and run FGL alone through week six to see if the effect is real or just me being excited about a new compound

Community discussion - research and educational context only. Not medical advice.