Hypoglycemia is a condition where blood glucose levels drop below 70 mg/dL, causing symptoms like shakiness, sweating, confusion, and rapid heartbeat. It is caused by excess insulin production, medication effects, hormone imbalances, or underlying conditions like insulinoma or liver disease. The Glucose Serum test is the most important test for diagnosis because it directly measures blood glucose levels to confirm hypoglycemia.
90-day money-back guarantee
Lab order in minutes
Save a trip to the doctor
Low prices since 2005
Labs within 2 miles
Hypoglycemia is caused by excess insulin production, medication side effects (especially in diabetic patients), hormone deficiencies like cortisol or growth hormone, liver disease, kidney dysfunction, or rare tumors such as insulinoma that overproduce insulin. In people with diabetes, taking too much insulin or diabetes medication without eating enough food is the most common cause. Other causes include excessive alcohol consumption, certain medications like beta-blockers or aspirin, critical illnesses affecting the liver or kidneys, and endocrine disorders like Addison disease or pituitary insufficiency.
The Glucose Serum test is the most important test for hypoglycemia because it directly measures your blood glucose level at the time of testing to confirm if your blood sugar has dropped below 70 mg/dL. To identify the underlying cause, the Insulin Fasting test and C-Peptide Serum test are essential because they measure insulin and C-peptide levels during hypoglycemic episodes to determine if excess insulin production is the problem. The Insulin Free Bioactive test provides even more specific information about the bioactive insulin immediately affecting your blood sugar. These tests together help distinguish between insulin-related hypoglycemia from an insulinoma tumor, medication effects, or other causes.
You should get tested if you experience frequent episodes of shakiness, sweating, confusion, rapid heartbeat, dizziness, or extreme hunger, especially between meals or after fasting. Testing is particularly important if you have diabetes and suspect your medication dosage needs adjustment, if you experience symptoms during exercise or at night, or if you have unexplained episodes of anxiety, irritability, or weakness that improve after eating. Anyone with repeated low blood sugar readings on home glucose monitors or a family history of insulinoma should also get comprehensive testing to identify the cause.
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:
