Actually, the interval where the ketogenic diet helps is known. It is the first 24 hours. They did not find a difference after 24 hours. This suggests that the cascade of events from a concussion injury that happen during the first 24 hours can be effected by a ketogenic diet.

What other studies were you referring to ? "But I wonder whether the neuroprotective effects found in other studies "

These reports and studies are using the all the published studies to draw their conclusions. It is very common to see a published article that reviews all of the studies in a particular subject.

You need to be careful to not take little bits of information out of context. Many sellers of coconut oil and other MCT products use valid bits of information to promote their product but fail to tell the whole story because it limits to true value of the MCT product. Bruce Fife kick-started the current coconut oil industry by telling half-truths. Others jumped onto his bandwagon to grab a piece of the coconut oil market.

bachissimo, If you want to research other dietary supplements that can possibly help TBI, check out Mars' new refined chocolate.
The neuroprotective effects of cocoa flavanol and its influence on cognitive performance
Mars product (CocoaVia) is still in product development so it is not widely available.
Vegetarian Capsules, 9 Count Bottle | CocoaVia