The phrase "fishy aftertaste" means a lingering taste or feeling that is reminiscent of fish, even after the fish itself is no longer present. Full definition
I take them as directed / daily, and I also take them with food to offset the VERY slight fishy aftertaste, and with a full glass of water to ensure they got where they needed to go! (amazon.com)
I'd recommend taking the vitamin during the day and the DHA tablet at night, as they are derived from fish oil and can have a fishy aftertaste. (momtricks.com)
The softgels are enteric coated to prevent any fishy aftertaste and ensure that you can consume these softgels easily. (pronutrics.co)