Supplement·Interactions·Reviewed June 9, 2026
Alpha-GPC interactions.
Alpha-GPC has 8 documented interactions in the NutriStack database: 3 that need timing or caution and 5 that work synergistically. The full list, with what each pairing does, is below.
Alpha-GPC at a glance.
A quick, data-grounded summary. The full table is below.
Alpha-GPC has 8 documented interactions in the NutriStack database: 3 that need timing or caution and 5 that work synergistically. The full list, with what each pairing does, is below.
Everything that interacts with alpha-gpc.
Every supplement and medication in the NutriStack database with a documented interaction with this substance, highest-severity first. Open any pair for the mechanism and sources.
| Substance | Interaction | What happens |
|---|---|---|
| Citicoline | Caution | Both are potent choline sources. Taking both at full doses may provide excessive choline, potentially causing headaches, GI distress, or fishy body... details → |
| Donepezil | Caution | Both donepezil and Alpha-GPC increase cholinergic activity. Donepezil inhibits acetylcholinesterase; Alpha-GPC provides choline for acetylcholine... |
| Phosphatidylcholine | Caution | Phosphatidylcholine and Alpha-GPC are both choline donors, so combining them raises total choline intake and the additive cholinergic and... details → |
| Acetyl-L-Carnitine | Synergy | Acetyl-L-Carnitine and Alpha-GPC act on complementary halves of the same acetylcholine-synthesis pathway, so they are commonly combined in cognitive... |
| Bacopa Monnieri | Synergy | Bacopa monnieri and Alpha-GPC both support cholinergic function through different routes, and are frequently stacked to enhance memory and learning... |
| Creatine | Synergy | Both enhance physical and cognitive performance. Creatine buffers ATP in muscles and brain; Alpha-GPC supports cholinergic signaling and growth... |
| Lion's Mane | Synergy | Lion's mane promotes NGF for neuroplasticity while Alpha-GPC provides choline for acetylcholine synthesis. Synergistic cognitive enhancement. |
| Vitamin B5 | Synergy | B5 (pantothenic acid) is required for acetyl-CoA synthesis, which combines with choline (from Alpha-GPC) to form acetylcholine. |
The full alpha-gpc profile.
Benefits, dosing by goal, forms, and the cited evidence for this supplement.
Common alpha-gpc questions.
Quick answers drawn from the table above.
What interacts with Alpha-GPC?
In the NutriStack database, Alpha-GPC has 8 documented interactions with other supplements and medications. The most notable include Citicoline, Donepezil, Phosphatidylcholine, Acetyl-L-Carnitine, and Bacopa Monnieri.
What works well with Alpha-GPC?
Alpha-GPC pairs synergistically with Acetyl-L-Carnitine, Bacopa Monnieri, Creatine, Lion's Mane, and Vitamin B5 in the NutriStack database. Synergy still depends on dose and timing; open any pair for the detail.
Can you take Alpha-GPC with Citicoline?
NutriStack classifies the Alpha-GPC and Citicoline pairing as caution: Both are potent choline sources. Taking both at full doses may provide excessive choline, potentially causing headaches, GI distress, or fishy body odor. Choose one or reduce doses of both. Rarely needed to stack both choline sources simultaneously.
Check your whole stack
See how alpha-gpc fits your routine.
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