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Makes an enzyme involved in producing phosphatidylcholine, a component of cell membranes. Genetic findings alone do not establish a choline deficiency.

SHMT1 connects serine and glycine with folate chemistry.

SOD1 helps convert superoxide inside cells as part of the body’s antioxidant defenses.

SOD2 works in mitochondria as part of the body’s antioxidant defenses.

SOD3 works outside cells as part of the body’s antioxidant defenses.

TCN2 helps carry vitamin B12 in the body. A gene result alone cannot tell you your B12 status.

Understand why Dr. Purser teaches glutathione, SOD and catalase as a connected antioxidant team.

Encodes the reduced folate carrier, a protein involved in transporting folates into cells.

…-related oxidative stress. This provides a teaching link to exposure history and antioxidant demand, not a diagnosis of COPD or proof that a supplement prevents lung damage. Respiratory symptoms need assessment on their own clinical merits.…

Ever remember something I said in a video but have no idea which video it was? We’ve been working on that. Introducing **Purser Wellness Explore** a new home for my teaching, organized so you can find the subjects that matter to you. MTH

ACE is the gene name for Angiotensin-Converting Enzyme. Learn what a specific result could mean and what to ask about it.

Encodes cubilin, part of a receptor system involved in uptake of the intrinsic-factor–B12 complex.