Gastrointestinal issues encompass a range of digestive symptoms including nausea, vomiting, abdominal pain, constipation, and diarrhea. These symptoms can be caused by infections, dietary factors, medications, nutritional deficiencies, or toxic exposures such as lead poisoning. The Lead Blood Test is the most important test for identifying lead toxicity as an underlying cause of persistent gastrointestinal symptoms.
90-day money-back guarantee
Lab order in minutes
Save a trip to the doctor
Low prices since 2005
Labs within 2 miles
Gastrointestinal issues are caused by a variety of factors including bacterial or viral infections, food poisoning, medication side effects, dietary intolerances, stress, inflammatory bowel conditions, and toxic exposures like lead poisoning. Common infectious causes include bacteria such as Salmonella, E. coli, and Helicobacter pylori, or viruses like norovirus and rotavirus. Environmental toxins, particularly lead exposure from old paint or contaminated water, can also trigger significant digestive symptoms including nausea, vomiting, abdominal cramping, and constipation.
The Lead Blood Test is the most important test for gastrointestinal issues when toxic exposure is suspected because it detects elevated lead levels that cause constipation, nausea, vomiting, and severe abdominal pain. This test is essential for identifying lead poisoning, which can mimic other digestive disorders and requires immediate intervention to prevent neurological and organ damage. While gastrointestinal issues often require clinical evaluation and stool tests for infections, blood testing for lead is crucial when symptoms persist without clear cause, especially in individuals with potential occupational or environmental lead exposure such as construction workers, painters, or those living in older homes.
You should get tested if you experience persistent or severe digestive symptoms such as ongoing abdominal pain, unexplained nausea and vomiting lasting more than a few days, sudden changes in bowel habits like chronic constipation or diarrhea, blood in your stool, or unexplained weight loss. Testing is especially important if you have potential lead exposure through your job, live in a home built before 1978, or have children showing similar symptoms. You should seek immediate testing if your symptoms are accompanied by fever, severe dehydration, or if you work in industries involving metal work, battery manufacturing, or renovation of old buildings.
Save a trip to the doctor, go directly to the lab
Instant orders, results often overnight*
Results explained in simple language
Reviewed by US licensed doctors
Fast & confidential, we never sell or share your data
No insurance needed, transparent pricing
What this means
Your testosterone levels are slightly below the optimal range. While this is not necessarily cause for concern, it may contribute to occasional fatigue, reduced motivation, or lower muscle mass over time.
Recommended actions
Increase resistance or strength training
Prioritize 7–8 hours of quality sleep per night, try to reduce stress
Include more zinc- and magnesium-rich foods (like shellfish, beef, pumpkin seeds, spinach)
Consider retesting in 3–6 months
Not overhyped or overpriced. Just comprehensive blood testing made simple and for everyone.
505 reviews
Sample results
Your 24/7 Lab Guide
Quick questions:
