Helps fluid balance, nerve signaling and muscle contraction. Also called: Potassium What it does Helps fluid balance, nerve signaling and muscle contraction. Possible deficiency symptoms Low blood potassium can cause weakness, constipation …
Search results
1071 resources114 duplicate listings grouped
What’s searchable?A compound sold in supplements; it is not an established essential human vitamin. Also called: PQQ (Pyrroloquinoline Quinone), Pyrroloquinoline Quinone A teaching category, not a deficiency diagnosis Dr. Purser’s course places PQQ in its mi…
An amino acid used in protein synthesis and other metabolic processes. Also called: Threonine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Threonine is an essential am…
An amino acid used in protein synthesis and other metabolic processes. Also called: Tryptophan The serotonin and melatonin connection Dr. Purser’s course connects tryptophan with serotonin and melatonin in its mood/sleep teaching. It asks c…
An amino acid used in protein synthesis and other metabolic processes. Also called: Tyrosine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Tyrosine participates in cate…
An amino acid used in protein synthesis and other metabolic processes. Also called: Valine What it does An amino acid used in protein synthesis and other metabolic processes. How supplementation is approached Valine is a branched-chain esse…
A trace element without an established essential dietary role in humans. Also called: Vanadium What it does A trace element without an established essential dietary role in humans. How supplementation is approached Dr. Purser’s course place…
Supports vision, immune function and tissue development. Also called: Vitamin A What it does Supports vision, immune function and tissue development. Possible deficiency symptoms Deficiency can cause night blindness and eye-surface damage. …
Provides building blocks for NAD and NADP, which participate in cellular energy reactions. Also called: Vitamin B3 (Niacin), Niacin What it does Provides building blocks for NAD and NADP, which participate in cellular energy reactions. Poss…
Supports DNA synthesis and one-carbon metabolism, including the pathway that processes homocysteine. Also called: Vitamin B9 (Folate), Folate, B9, folic acid, methylfolate, 5-MTHF, folinic acid, foods high in folate Different folate forms, …
Helps calcium absorption and bone mineralization. Also called: Vitamin D A nutrient level and a receptor gene answer different questions Dr. Purser places vitamin D in immune, hormone and bone-related teaching. The conversion-genetics chapt…
A carotenoid found in foods and in the retina. Also called: Zeaxanthin What it does A carotenoid found in foods and in the retina. How supplementation is approached Zeaxanthin is a plant pigment found in the eye and often paired with lutein…
About search coverage
Search looks for your words in titles, descriptions, available articles, learning guides, and video captions when available. The closest matches appear first. Duplicate posts are grouped, with links to other places you can read or watch them. Books, chapters, and reports have topic guides here; the original files and full book text are not available in this encyclopedia. Subscriber posts include a title and public summary; open Substack to read the full post.
