Alpha-GPC: Research, Dosing, and Safety
A research-first profile for Alpha-GPC (alpha glycerylphosphorylcholine). This page aggregates mechanism notes, transcript dosing mentions, vendor references, and PubMed-indexed literature, without presenting medical guidance.
Alpha-GPC is a research compound profiled here from named-expert transcripts and peer-reviewed literature, without medical guidance. As of July 2026, The Peptide Wiki aggregates 15 PubMed-cited papers, 7 attributed expert mentions, 2 transcript dosing protocols, and 1 referenced vendor for Alpha-GPC, each linked to its source.
- Also indexed as alpha glycerylphosphorylcholine.
- 2 aggregated dosing-protocol mentions from source transcripts.
- 15 PubMed-indexed citations listed in the research table below.
- 1 vendor reference captured from named experts.
- Evidence level in this entry is marked as research.
What is Alpha-GPC?
Alpha-GPC (alpha glycerylphosphorylcholine) is profiled here as a research compound, aggregated from named-expert transcripts and peer-reviewed literature. No direct disease-treatment claims are made on this page.
Experts on background and overview · 2 cited mentions
"Uridine 5-monophosphate and alpha-GPC is enough for me. I don't really have problems with acetylcholine."
"people have taken huperzine A with alpha GPC to prolong the lifetime of the acetylcholine that's made."
How does Alpha-GPC work?
Named experts discuss Alpha-GPC in the context of acetylcholine and cholinergic pathways. The mention below links to the exact source timestamp.
Experts on mechanism · 1 cited mention
"really any five urodine monof urodine 5 monophosphate alpha GPC? I mean it's all different pathways but it's all colonurgic."
What is Alpha-GPC researched for?
Named experts describe Alpha-GPC as a choline source for acetylcholine production. Vigorous Steve reports using 600 mg for cognitive tasks, and notes some users tolerate up to 3.6 g/day.
Alpha-GPC Dosing Protocols
The entries below are transcript-derived dosing mentions. They are preserved for research context and are not medical advice.
| Speaker | Source | Timestamp | Protocol | Evidence |
|---|---|---|---|---|
| Vigorous Steve | Best PED Use (Competitive vs. Lifestyle) & All Things to Avoid Death... | 01:26:33 | Vigorous Steve cites Derek (More Plates More Dates) as having reported using 1200 mg of Alpha-GPC three times per day. Educational reference only - not medical advice. | anecdotal |
| Trensparent with Nyle Nayga | Kuba Cielen: How To Blow Up In Mass But Live Long (PED Real Talk) | 00:38:23 | The host reports using 1 gram alpha-GPC daily alongside up to 2 grams choline per day. | anecdotal |
Vendors Referenced for Alpha-GPC
Gorilla Mind
Visit vendor → View profile →Referenced by Vigorous Steve at 00:14:15.
Side Effects and Safety
Anecdotal reports and study-level observations vary by route, dose, and individual. This page does not provide medical advice. Consult a qualified clinician before any research use.
What Experts Say
3 experts across our source library discuss Alpha-GPC. Each entry is that expert’s most context-rich mention: click to watch it at the exact timestamp in the original video. Quotes are also emitted as Schema.org Quotation JSON-LD for AI assistants.
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“Uridine 5-monophosphate and alpha-GPC is enough for me. I don't really have problems with acetylcholine.”
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“people have taken huperzine A with alpha GPC to prolong the lifetime of the acetylcholine that's made.”
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“I supplement with um a gram of alpha GPC and about two grams of co CDP choline every day”
See 2 more expert mentions →
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“really any five urodine monof urodine 5 monophosphate alpha GPC? I mean it's all different pathways but it's all colonurgic.”
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“I take maybe 300 milligrams urodine 5 monophosphate and 600 milligrams alpha GPC and I'm good for 4 hours”
User Reviews
User reviews aggregator coming Q3 2026 (Reddit + YouTube comments + Discord research notes). Until then, see the expert quote section above and PubMed citations below.
Research Efficacy Snapshot
Published findings cited in PubMed papers and named-expert reports about Alpha-GPC. Each line links to the original source.
- "The NF subject of the application is L-alpha-GPC produced by chemical means starting from phosphatidylcholine (PC) enriched soya lecithin and is available in two forms: a viscous liquid GPC 85% and a powder Alpha Size 100P." · Turck D et al, 2026 PubMed
- "Due to its high choline content (41% by weight) and ability to cross the blood-brain barrier, GPC is considered one of the most utilized sources of choline." · Li J et al, 2025 PubMed
- "Despite its milder form, StD is significantly prevalent in the older population, affecting up to 12.9%." · Granata N et al, 2025 PubMed
- "Primary human astrocytes were pretreated with varying doses of α-GPC (ranging from 0.1 to 10.0 μM) for 24 hours prior to 2.5% isoflurane exposure." · Lee HJ et al, 2024 PubMed
- "RESULTS: A significant morphological damage to human astrocytes was observed in the group that had been pretreated with 10.0 mM of α-GPC and exposed to 2.5% isoflurane." · Lee HJ et al, 2024 PubMed
- "A decrease in cell viability was identified in the group pretreated with 10.0 μM of α-GPC and exposed to 2.5% isoflurane compared to the group exposed only to 2.5% isoflurane." · Lee HJ et al, 2024 PubMed
- "METHODS: A 12-week, randomized, double-blind, placebo-controlled, parallel-group study was conducted in 41 middle-aged and elderly males and females (43.9% female) aged ≥ 60 years and ≤ 80 years without dementia." · Yamashita S et al, 2023 PubMed
- "In our study, citicoline treatment did not result in improved neurological function (NIHSS < 1, OR = 1.05; 95% confidence interval (CI): 0.87-1.27) or functional recovery (mRS < 1, OR = 1.36; 95% CI: 0.99-1.87) in patients with acute stroke." · Sagaro GG et al, 2023 PubMed
Research and Studies
15 PubMed-indexed papers reference Alpha-GPC. All 15 are listed below.
Legal Status
Alpha-GPC is presented here as a research compound. FDA approval status, scheduling, WADA status, and state-specific telehealth rules may apply. Always verify current regulatory status. Last verified: 2026-07-01.
Frequently Asked Questions
Is Alpha-GPC FDA-approved?
Alpha-GPC is presented on this page as a research compound. FDA approval status, scheduling, and state-specific rules may apply and change. Verify current regulatory status before any decision.
What dosing is reported for Alpha-GPC?
This page aggregates 2 dosing-protocol mention(s) from named-expert transcripts, each linked to a verbatim source timestamp. See the Dosing Protocols table above. Mentions are anecdotal, not medical advice.
Which vendors are referenced for Alpha-GPC?
1 vendor reference(s) are tracked in our directory, sourced from named-expert mentions. See the vendors section above. Always verify COA and current regulatory status.
How much research has been published on Alpha-GPC?
15 PubMed-indexed paper(s) reference Alpha-GPC in our current research feed. See the Research and Studies section above for citations.