Renin, also known as angiotensinogenase, is an enzyme that the kidneys produce to regulate aldosterone production. It’s also essential in the renin–angiotensin aldosterone system (RAAS) which maintains your body’s fluid balance and blood pressure. Aldosterone is the primary of several endogenous members of the class of mineralocorticoids in humans. Aldosterone tends to promote sodium and water retention, and lower plasma postasium concentrations.

Thyroxine-binding globulin (TBG) is a globulin that binds thyroid hormones in circulation. It is one of three transport proteins (along with transthyretin and serum albumin) responsible for carrying the thyroid hormones thyroxine (T4) and triiodothyronine (T3) in the bloodstream. Of these three proteins, TBG has the highest affinity for T4 and T3 but is present in the lowest concentration. Despite its low concentration, TBG carries the majority of T4 in the blood plasma.

Iodine, Serum/Plasma - Iodine is an essential element that is required for thyroid hormone production. The measurement of iodine serves as an index of adequate dietary intake and iodine overload, particularly from iodine-containing drugs.

This test measures levels of drenocorticotropic hormone (ACTH), which is also called adrenocorticotropin and corticotropin, a hormone made in the anterior pituitary gland that tells the adrenal glands to release cortisol, DHEA, and aldosterone. The ACTH plasma test quantifies the blood's level of ACTH. A patient's blood is drawn for the test and then sent to a lab for examination. The test findings enable the diagnosis of ailments such as Addison's disease, Cushing's syndrome, and adrenal tumors

This panel includes main blood test variables monitored by many clinics that treat men with low testosterone. This panel is for men who are already on testosterone replacement therapy (TRT) and who want to monitor their main blood tests. Fasting is required for CMP.

The panel includes:

 - Total and free testosterone (LC/MS assay.  No upper limit restriction)

- Sex hormone-binding globulin

- Estradiol (ultrasensitive- LC/MS assay)

- CBC (includes hematocrit, and immune cells)

- CMP (includes glucose, liver and kidney function). Fasting is required.

- Lipids (LDL and HDL cholesterol and triglycerides)

Discounted Labs’ basic adrenal insufficiency panel includes cortisol, ACTH, and DHEA as a starting point. Depending on lab test results from this panel, physicians may choose to do an ACTH stimulation test, renin, potassium, and sodium. Imaging studies like a CT scan of the adrenal glands may also be considered to check for adrenal growths. In order to check for Addison's Disease, the auto-immune type of primary adrenal insufficiency, labs should be drawn to check 21-hydroxylase 

This lab test panel includes the blood tests usually selected by physicians in an annual physical exam for men and women: CBC (Complete Blood Count: Immune Cells, Red Blood Cells/Hematocrit, and Platelets), CMP (Comprehensive Metabolic Panel: Glucose, liver and kidney function, electrolyte and fluid balance), Lipids (LDL and HDL cholesterol, and triglycerides), and A1c (Glycated Hemoglobin). This panel does not include a doctor's visit, only lab tests. Low Price Guaranteed.

This blood donation panel includes these tests: Hematocrit, iron & total iron binding capacity (TIBC), and ferritin.This panel is designed to determine if: 1- Your blood donation or therapeutic phlebotomy was effective in lowering your high hematocrit without negatively affecting ferritin or iron. 2- It is safe to do another blood donation or therapeutic phlebotomy depending on ferritin or iron levels.

Protein, Gloublin and Albumin - The major proteins seen in the serum are albumin and globulin-the latter being primarily alpha 1 and alpha 2 globulin, beta globulin and gamma globulin. Albumin accounts for more than 50% of the total serum proteins. The albumin to globulin (A/G) ratio has been used as an index of disease state, however, it is not a specific marker for disease because it does not indicate which specific proteins are altered. The normal A/G ratio is 0.8-2.0. The A/G ratio can be decreased in response to a low albumin or to elevated globulins. Total globulins may be increased in some chronic inflammatory diseases (TB, syphilis) multiple myeloma, collagen disease, and rheumatoid arthritis.  Decreased levels are seen in hepatic dysfunction, renal disease and various neoplasms.

This panel provides smart bodybuilders with information that can help minimize potential short- and long-term side effects and risks. This basic bodybuilder panel includes the following gold standard tests/panels: Cystatin C (the only accurate kidney function test for bodybuilders), hematocrit (blood viscosity factor), CMP (glucose, liver & kidney function, and electrolytes), total and free testosterone (LC/MS assay—no upper limit and no interference with anabolics), ultra-sensitive estradiol (the only accurate estradiol test for men), & lipid cholesterol panel. Fasting is required.

This popular and cost-effective panel includes main blood test variables monitored by many clinics that treat men with low testosterone. This panel is for men who are already on testosterone replacement therapy (TRT) and who want to monitor their main blood tests. You save substantial amounts of money by ordering these tests together rather than one at a time. The panel includes: Total and free testosterone (LC/MS assay. No upper limit restriction), Sex hormone binding globulin (SHBG), Estradiol (sensitive- LC/MS assay), CBC (includes glucose, hematocrit and immune cells), CMP (includes liver and kidney function, eGFR), Lipids (LDL and HDL cholesterol and triglycerides) 

Here is a list of 14 carefully selected lab tests and panels that are essential in maintaining proper health while improving body composition and strength: Hematocrit, Lipid panel (LDL, HDL, triglycerides), Cystatin C kidney test, eGFR kidney test, GGT liver test, Total Testosterone (LC/MS), Free Testosterone (Equilibrium Ultrafiltration), Ultrasensitive Estradiol, Prolactin, DHT test (LC/MS), IGF-1 test (LC/MS), and ferritin. Fasting is required.

The LDH (lactate dehydrogenase) blood test measures the level of LDH in your blood. LDH is an enzyme in many body organs and tissues, including the heart, liver, muscles, and red blood cells. The LDH test is often used to help diagnose and monitor various medical conditions, such as anemia, heart attack, and liver disease. It may also be ordered to check for tissue damage or monitor treatment effectiveness for specific conditions. Since lactic dehydrogenase is present in many body tissues, its diagnostic usefulness is limited. Tissue specificity may be enhanced by LDH isoenzyme analysis.

This test includes prothrombin time plus INR and it measures how long it takes your blood to clot. It’s used to monitor the effects of the medication warfarin, and can help identify possible hereditary and clotting disorders. This test does not require fasting. Prothrombin Time (PT) is a blood test used in the evaluation of the extrinsic coagulation system; aid in screening for congenital and acquired deficiencies of factors II, V, VII, X, and fibrinogen. This test is used clinically for the therapeutic monitoring of warfarin (Coumadin®) anticoagulant therapy.

Blood typing is used to determine an individual's blood group, to establish whether a person is blood group A, B, AB, or O and whether he or she is Rh positive or Rh negative.

A complete blood count CBC with differential test panel measures several components of your blood including:Red blood cells, which carry oxygen, White blood cells, which fight infection, Hemoglobin, the oxygen-carrying protein in red blood cells, Hematocrit, the proportion of red blood cells to the fluid component in your blood (which correlated with blood thickness), and Platelets, which help with blood clotting. This is also called Complete Blood Count (CBC) with Differential and Platelets Blood Test

This panel measures the blood levels of arsenic, lead, and mercury.

The Cardio IQ® Insulin Resistance Score (IR), which uses fasting insulin and C-peptide measurements to estimate a person's likelihood of having insulin resistance. It eliminates the need for multiple samples and reduces the chance of errors that can occur with some other tests.

Having a high score (indicating a greater probability of insulin resistance) was linked to an increased risk of developing type 2 diabetes, even after accounting for other risk factors. 

An IR score of <33 suggests that an individual has normal insulin sensitivity.
A score of 33 to 66 suggests that an individual has >4-fold greater odds of having IR compared with an individual with a score <33 .
A score >66 suggests that an individual has >15-fold greater odds of having IR compared to an individual with a score

Fasting Required for 10-12 hours. Water only.

The glucose tolerance test is a medical test in which glucose is given and blood samples taken afterward to determine how quickly it is cleared from the blood. The test is usually used to test for diabetes, insulin resistance, impaired beta cell function, and sometimes reactive hypoglycemia and acromegaly, or rarer disorders of carbohydrate metabolism. In the most commonly performed version of the test, an oral glucose tolerance test (OGTT), a standard dose of glucose is ingested by mouth and glucose blood levels are checked right after ingestion and then two hours later. 

This Testosterone Panel Includes 5 Tests:

• Testosterone, Total, LC/MS (most accurate testosterone test for men with high testosterone and women, no upper or lower limit)
• Testosterone, Free. Free testosterone is best calculated based on the LC/MS-derived total testosterone and equilibrium dialysis-derived percent free levels. 
• Testosterone, Bioavailable. Bioavailable testosterone is calculated based on the LC/MS/MS-derived total testosterone,  free testosterone levels, albumin and SHBG.
• Sex Hormone Binding Globulin (SHBG)
• Albumin

Note: Despite SHBG not being listed on the lab requisition form under "Testosterone, Free, Bioavailable, and Total, Males (Adult)," rest assured the results include this critical component, as it's necessary for calculating bioavailable testosterone.

B12 and folic acid blood testing help doctors diagnose central nervous system disorders, anemia, and malabsorption syndromes. B12 and folic acid also play an important role in energy level, muscle strength and memory. Because B12 and folate are derived solely from dietary intake, such as egg yolks, beef, poultry and fish, many people are deficient in these important vitamins.

A Magnesium RBC test can provide an earlier indicator of magnesium deficiency that a standard magnesium blood test. When levels are low, the body will pull magnesium from the cells to keep blood levels normal. In this case, a magnesium blood test may show normal levels while a magnesium RBC test will give a more accurate result.

This lab test panel includes main blood test makers involved in hair loss in women and men: Complete Blood Count (CBC)- Can detect potential low hemoglobin and infections that can lead to hair loss. Ferritin- Low ferritin, an iron storage protein, has been linked to hair loss and slow down of hair growth. Iron and Total Iron Capacity (TIBC)- Low iron anemia has been linked to hair loss.  Hyperandrogenism: Excessive male hormones (androgens): Total Testosterone (LC/MS), Free Testosterone (Equilibrium Ultrafiltration), DHEA-S, Dihydrotestosterone (DHT)  Hypothyroidism and Hyperthyroidism: Thyroid Stimulation Hormone (TSH), Free Triidothyronine (Free T3)

This 18 test anemia panel includes all tests needed to diagnose the degree and cause of anemia including a CBC panel (red blood cells, hemoglobin, etc), Ferritin, Iron, Total Iron Binding Capacity, Folate, and Vitamin B-12

The volume measurement, or hct blood test, is the proportion of blood that the red blood cells take up. Hemoglobin, on the other hand, is a density or concentration measurement and is expressed in grams per liter or deciliter. (Hemoglobin is, if you will recall from your high school biology, the iron-based protein that transports oxygen.) RBC is a simple count and is usually expressed as the number of million red blood cells that you have per microliter. Usually, hematocrit is three times the amount of hemoglobin.

Testosterone replacement therapy (TRT) increases hematocrit in most men.  Read more about how to decrease hematocrit.

NOTE: Hematocrit is also part of the CBC panel, so there is no need to order separately if your order already includes CBC.

The serum iron test measures the amount of iron in your blood. The total iron-binding capacity (TIBC) test looks at how well the iron moves through your body.

The cystatin C test (which also includes estimated creatinine clearance eGFR) can be done along with the creatinine or creatinine clearance test in cases where those tests aren’t appropriate, such as patients taking creatine supplements for bodybuilding. These supplements can increase creatinine and decrease creatinine clearance, which can alarm doctors who fear kidney dysfunction.  This creatinine increase is not clinically relevant, but running a Cystatin C test can give physicians reassurance and allow the patient to keep taking that effective bodybuilding supplement.