Preheat oven to 350 degrees.
Mix the Coconut Aminos, red wine vinegar, coconut sugar, Worcestershire Sauce, lemon juice, and garlic powder.
Pour marinade over roast in a shallow dish.
Cover and marinade for 24 hours, turning roast over once.
Bake roast in marinade at 350 degrees for two hours.
After one hour, add carrots and sweet potatoes.
Cook one hour more.
Serve with pan drippings.