Questions, answered.

Every serving delivers all nine essential amino acids your body can't produce on its own, plus electrolytes and functional aminos for recovery. Ginger Heat includes functional botanicals for flavor and Salty Melon includes organic flavors. No fillers, no gums, no dyes, nothing artificial.

We suggest no more than four servings per day. Ren is intended to supplement a balanced diet and healthy lifestyle. Individual needs vary, and if you have specific dietary concerns, consult a qualified healthcare professional.

Yes. Ren can be enjoyed by children 10+. Since children have different nutritional and electrolyte needs, we recommend that parents decide their daily amount.

We use Ancient Ocean® Himalayan Salt, one of the purest salts on earth. You'll find more on it on each product page.

Yes. Ren is built to support your body's natural energy systems instead of leaning on caffeine, so you get functional fuel without the jitters or the crash.

Yes. Ren is formulated and manufactured in the USA.

Ren is paleo and keto friendly. It's also dairy-free, gluten-free, soy-free, and nut-free. If you have specific dietary concerns, reach out to our team before use.

Orders are processed and shipped within 1–2 business days and typically delivered within 2–4 business days. You'll get a confirmation email once your order ships.

We want you to love Ren. If you're not satisfied with your order, reach out within 30 days of purchase and we'll help make it right.

For questions and help, email support@fuelren.com. For partnerships and wholesale, email wholesale@fuelren.com.