Douglas is one of my favorites for DIM, melatonin, B-complex with Methylfolate, Vitamin D, Serenitin, and Adrenal Support. In addition they have great mental health support vitamins. "Klean Athlete" is a product line they sell for athletes of all abilities. Check it out!
Thorne has amazing patient resources, and carries Methylguard Plus, a balanced methylated B complex. They also have an awesome prenatal that is MTHFR friendly.
Click the button to order. Fullscript is an online dispensary where you can see my recommendation for various health problems.
They also carry skin and hair products for a total of over 300 companies hosted through them. Prices competitive and usually less than Amazon prices.
I've been working with Uscriptives since 2002. They have solid multivitamins, fish oils, sleep aids and combo products. With the exception of Vitamin D, they only sell combo vitamins.
Xymogen is a one of a kind company selling high quality supplements including thyroid support, mood support, liver support, and neurological supplements.