Nutra-supp
https://www.nutra-supp.com/product/liposomal-omega-3-250ml/
Empirical Labs
https://www.empirical-labs.com/vitamins-supplements/liposomal-dha/
Liposoma Nutraceuticals
https://liposomanutraceuticals.com/white-label-supplements-request/
Spec Nova
https://specnova.com/lipovantage/ingredients/
There may be others.
Someone would have to research if any of these approach the process in the way that it both crosses the intestinal wall and the blood brain barrier, but DHA does exist in eyes, normally, so it's got to get there, somehow.
Liposomes are fatty transport molecules (used in covid vaccines actually) not LPC-DHA
It’s not on the market in the US yet.