where to buy good quality supplements?

[whiteperson]

Have been looking for a good quality high dose vitamin D3/K2 sup as well as a good omega 3 with epa+dha>1000. The only sups i see at stores are these microdosed shits that do fuck all and prob from a mid source.
Thought about taking this but wasnt sure if it was bs, some dude in the comments of the video said its bioengineered idk wtf that means and if it actually matters lol

pls help ty

 

[manvith]

finding a source for things like this will be hard and buying pharma grade anyways better for supplements like these 60Kiu d3 are sold and since its fat soluble u could split so if u want 20k a day once 3 days 10k once 6days if ur looking 4k iu buy 2 of 2k iu for k2 100mcg sold take them daily since these are FAT SOLUBLE theres nothing like u need to take it daily just dont do toxicity dose