Mix together lemon juice, onion, olive oil, garlic, lemon zest, ginger, and turmeric in a bowl. Place shrimp into marinade, cover, and refrigerate shrimp and marinade mixture overnight.
Remove shrimp, saving the marinade. Heat a wok or skillet over medium-high heat; melt coconut oil in hot wok. Stir-fry shrimp in coconut oil until shrimp are opaque and pink, 5 to 10 minutes. Add reserved marinade and bring to a boil, stirring constantly.
Per Serving: 388 calories; protein 21.1g; carbohydrates 5.9g; fat 31.7g; cholesterol 191.6mg; sodium 222.5mg.