The 5Strands Human Food, Environmental, and Nutrition Intolerance Test looks at 444 food ingredients, environmental substances, and nutritional intolerances. When you receive your results, you will get an instant elimination guide that will help you find any intolerances you can get rid of immediately. Whether it’s headaches, upset stomach, acid reflux, or fatigue, there’s going to be something you’re unaware of that’s causing these discomforts. 5Strands makes it simple to discover the truth about what your random discomforts are coming from.