Toxic Traits
This heavy metal can build up in the body and become toxic, often entering through the consumption of large seafood like tuna and swordfish.
What is Mercury?
This blood test provides a longer-term view of your metabolic health by measuring your average glucose level over the past two to three months.
What is Hemoglobin A1c (or HbA1c)?
Essential for optimal brain performance, this nutrient isn't widely available in food and is mainly made in the body through sun exposure.
What is Vitamin D?
Often called the stress hormone, this steroid hormone helps the body respond to pressure, regulate inflammation, and maintain energy balance.
What is Cortisol?
An accumulation of this type of fat in the blood may indicate a higher risk of a cardiac event.
What are Triglycerides?
Because it is tested once a year in your Function membership, you can track your levels of this heavy metal that is commonly found in older homes with peeling paint and contaminated soil.
What is Lead?
Tested twice yearly in your Function membership, this hormone acts like a key, helping sugar in the blood move into cells for energy.
What is insulin?
Tested once a year in your Function membership, this essential mineral supports brain signaling and protects neurons . Low levels can contribute to migraines, forgetfulness and difficulty sleeping.
What is Magnesium?
Tested twice yearly in your Function membership, this biomarker is used to detect low-grade, systemic inflammation in the body.
What is high-sensitivity C-reactive protein (or hs-CRP)?
This hormone is made by the pituitary gland and acts as a signal to tell the thyroid to produce T4 and T3.
What is Thyroid-Stimulating Hormone (or TSH)?
This environmental element may come from contaminated water or soil and is available as an add-on test; chronic exposure can affect skin, lungs, and the nervous system.
What is Arsenic?
This simple sugar travels through the bloodstream to power organs and muscles, with excess amounts converted by the liver into triglycerides and stored as belly fat.
What is Glucose?
This amino acid is produced during the normal breakdown of methionine, and elevated levels can signal vitamins B6, B12, and folate deficiencies are linked to an increased risk of heart disease, stroke, and cognitive decline.
What is Homocysteine?
Produced primarily by the adrenal glands, this hormone serves as a building block for other hormones, including estrogen and testosterone.
What is DHEA-sulfate (or DHEA-S)?
Tested twice yearly in your Function membership, this enzyme is found in the liver and helps process nutrients and toxins.
What is Alanine transaminase (or ALT)?
Often found in cookware, foil, and some industrial emissions, this metal’s levels can be checked through Function’s add-on heavy metals panel to assess toxic exposure.
What is aluminum?
When levels of this naturally occurring waste product from purine breakdown become too high, crystals can form in the joints, leading to painful conditions like gout.
What is Uric Acid?
Low levels of these essential fatty acids, which your body cannot produce on its own, are linked to an increased risk of depression, anxiety, and cognitive decline.
What are Omega-3s/Omega-3 Fatty Acids?
Commonly tested to check your body's iron stores, this protein is also an "acute-phase reactant" that can become highly elevated as a protective response to chronic inflammation, metabolic dysfunction, or systemic stress.
What is Ferritin?
This genetically determined, sticky type of LDL cholesterol independently increases the risk of major cardiovascular events like heart attack and stroke.
What is Lipoprotein(a) (or Lp(a)?
This class of synthetic fluorinated compounds resists heat, oil, and water, bioaccumulates in the bloodstream for years, and has been associated with altered thyroid function and elevated LDL cholesterol.
What are PFAS (per- and polyfluoroalkyl substances)?
A fasting level of 80 to 94 mg/dL for this biomarker is associated with the lowest risk of all-cause mortality, supporting a target toward the lower part of the normal range.
What is Glucose?
Chronically elevated levels of this adrenal hormone can shrink the hippocampus, impair memory formation, and contribute to anxiety, insomnia, and depression.
What is Cortisol?
A below-range blood count for this specific allergy-fighting white blood cell rarely indicates a primary disease; instead, it serves as a hidden clinical clue that the body is currently experiencing a surge in stress hormones, an acute infection, or the effects of corticosteroid medications.
What are Eosinophils?
This type of helpful, heart-supporting cholesterol has a primary job to remove excess cholesterol from the blood and transport it to the liver to be eliminated.
What is HDL cholesterol?