The study compared named preparations
In a small kinetic study, 12 healthy volunteers received a single dose of krill oil and choline bitartrate on separate days, with a washout between them. Six additional participants received fish oil as a control. Blood choline and metabolites were followed for 24 hours. [1]
The tested krill serving supplied 572 mg choline, whereas the bitartrate serving supplied 620 mg. The fish oil and krill oil supplied broadly similar EPA/DHA amounts, illustrating why omega-3 grams and choline content are separate measurements. [1]
Blood kinetics do not establish a long-term health advantage
The preparations produced different timing and metabolite patterns. That does not establish superior memory, cardiovascular protection or long-term safety for krill oil, and the small study cannot characterize every commercial formulation. [1]
Aker BioMarine sponsored the study, participated in design discussions and employed one author. Those interests should remain visible when interpreting the findings. Assess the declared choline content directly rather than assigning it from the total oil or phospholipid weight. [1]
Do not convert omega-3 into choline
Imagine two oils both provide 500 mg EPA plus DHA. That shared amount gives no basis for assuming equal choline content; a separate composition value is needed.
| Detail | Interpretation |
|---|---|
| EPA/DHA amount | Omega-3 contribution |
| Phosphatidylcholine | Can supply choline |
| 24-hour kinetics | Not long-term clinical benefit |
Sources for this article
- Plasma Kinetics of Choline and Choline Metabolites After A Single Dose of SuperbaBoostTM Krill Oil or Choline Bitartrate in Healthy Volunteers - PMC
Source consulted: 2026-09-19. This is a reference resource, not a claim that we conducted the studies or tested a product.