Basically, if the cost of shipping & handling is included in the retail sales price, itâs considered taxable. If itâs stated separately and shipped directly to the purchaser, then you may exclude it from sales tax.
In humans, Astaxanthin is used as an antioxidant supplement, and as such, is 10 times more potent than other carotenoids. It's also thought to be good for the cardiovascular and immune systems. Some research also suggests it can alleviate oxidative stress to the eyes and brain.
Quick Navigation. Astaxanthin. Astaxanthin is an aquatic carotenoid like fucoxanthin, but is the red pigment in salmon and krill; the most stable of all carotenoids and touted to aid in eye health and inflammation. Limited human evidence, but it appears to be a better carotenoid than the more researched lutein and zeaxanthin.