This variant is in a regulatory region of the TNF gene.
Understand the connection
TNF rs1800629 is a promoter-region variant, commonly described as -308 G>A. A promoter helps regulate gene activity, but a genotype is not the same as a meas…
Primary ovarian insufficiency describes reduced ovarian function before age 40.
Understand the connection
Primary ovarian insufficiency describes reduced ovarian function before age 40. It can have genetic, immune, treatment-related, or un…
CREST is an older name for a pattern of limited cutaneous systemic sclerosis.
Understand the connection
CREST is an older term for a pattern of limited cutaneous systemic sclerosis. The condition can involve blood vessels, skin, digestion,…
An amino acid used in protein synthesis and other metabolic processes.
Also called: Arginine
What it does
An amino acid used in protein synthesis and other metabolic processes.
How supplementation is approached
Arginine is considered within…
An amino acid used in protein synthesis and other metabolic processes.
Also called: Asparagine
What it does
An amino acid used in protein synthesis and other metabolic processes.
How supplementation is approached
An asparagine finding calls…
A carotenoid pigment found in some algae and seafood.
Also called: Astaxanthin
What it does
A carotenoid pigment found in some algae and seafood.
How supplementation is approached
Astaxanthin is an antioxidant pigment, not an essential vita…
A carotenoid that the body can convert to vitamin A.
Also called: Beta-Carotene
What it does
A carotenoid that the body can convert to vitamin A.
How supplementation is approached
Distinguish plant beta-carotene from preformed vitamin A bef…
Helps enzymes process fats, carbohydrates and amino acids.
Also called: Biotin
What it does
Helps enzymes process fats, carbohydrates and amino acids.
Possible deficiency symptoms
Rare deficiency may cause hair thinning, rash and neurologic…
Provides structure for bones and teeth and supports muscle and nerve signaling.
Also called: Calcium
What it does
Provides structure for bones and teeth and supports muscle and nerve signaling.
Possible deficiency symptoms
Long-term low int…
An enzyme the body makes that breaks down hydrogen peroxide.
Also called: Catalase
The peroxide-handling step
In Dr. Purser’s antioxidant teaching, catalase helps break hydrogen peroxide down into water and oxygen. It is discussed after SOD…
A trace element marketed in supplements; its essential role in humans remains under discussion.
Also called: Chromium
What it does
A trace element marketed in supplements; its essential role in humans remains under discussion.
How supplemen…
Supports iron handling, connective tissue and antioxidant enzymes.
Also called: Copper
Copper amount and copper handling are different questions
Dr. Purser’s course discusses copper, zinc and metallothionein in its fibromyalgia and mineral …
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