Acai – Is It Safe for a Child Posted on June 12, 2006March 2, 2010Author Dr. Marcus EttingerPosted in Acai (Euterpe oleracea), Frequently Asked Questions, Therapy Juices (Super Food Juices) Q: Greetings! Is it safe for my 13 year old daughter to take Acai? A: Dear Robin, Yes it is. Acai juice, like Mangosteen juice, or goji juice, or noni juice, is just a really healthy and nutritious fruit juice. Sincerely, Marcus Ettinger DC, BSc.