includes both bacopa and vinca minor in appropriate dosage. Well this is common really and there is nothing wrong with you, but you can increase your brain recall by taking certain brain supplement vitamins. Also be very careful that you trust the source of your fish oil.
What vinpocetine does is that it increases the blood circulation in the brain, thus, increases the blood oxygenation. Even 10 minutes will help to stimulate your nervous system and shake you out of the brain fog. No other single supplement does so much for our brain.
Check for purity: Your fish oil should be free from contaminants or it will ruin your health due to the presence of mercury, harmful chemicals and toxins. So why not consider what is missing that can benefit our minds? That means that large fish such as shark carry the toxins they ingest and everything they eat ingested in their fat.