| 効果 | なし | 
| 試験方法 | コホート法 | 
| 試験期間 | 1-2 週間 | 
| 被験者数 | 101 | 
| 性別 | 女性 | 
| 年齢 | 18-29, 30-44 | 
| 体型 | 肥満, 平均 | 
 この研究の注釈:
 Ingestion of Alpha-GPC in a 4:1 ratio with iron (70mg Alpha-GPC) failed to significantly improve iron absorption relative to untreated control when ingested via a mixed meal. Blinding protocol was not specified.
L-alpha-glycerophosphocholine Contributes To Meat’s Enhancement Of Nonheme Iron Absorption
| 効果 | 増加 | 
| 試験方法 | コホート法 | 
| 試験期間 | 24 hours | 
| 被験者数 | 13 | 
| 性別 | 女性 | 
| 年齢 | 18-29, 30-44 | 
| 体型 | 平均 | 
 この研究の注釈:
 Supplementation of 46mg Alpha-GPC (2:1 ratio of Alpha-GPC:Iron) via lasagna was able to enhance iron absorption in women to a similar degree as vitamin C.