People in the Amazon have relied on these tropical ingredients for centuries, each of which are now becoming popular health supplements within the U.S. From energizing fats, proteins and carbohydrates to recovery-aiding nutrients and vitamins, here’s how these four superfoods from the jungle can fuel your running.

Açai
<a href=Sambazon Acai Superfruit Performance Protein Packs, $8 for a 4-pack">
Cassava
<a href=Otto’s Cassava Flour, $18 for a 2-pound bag">
Brazil Nut
<a href=Nuttzo’s Power Fuel nut butter, $19 for a 16-ounce jar">
Guayusa
<a href=Runa Energy Drink, $45.45 for a 12-pack">