(This is copied/paste from someone else) That is correct. I emailed TrueProtein about this and they said they do not plan to offer vegan EAAs in the near future due to cost. You are correct about Ajinomoto as well, their products are not derived from animals. I also emailed NOW Foods because they released "Amino 9 Essentials" this month. Here is their response....
Leucine tends to be derived from hair or feathers. The other aminos are vegetarian and made via microbial fermentation.
Thank you for your inquiry,
NOW Science & Nutrition Group"
Im hiring this guy when I start my new company.