Physiological Function:
Choline is metabolized within cellular mitochondria resulting in production of trimethylglycine; TMG plays a role in supporting methyl donation processes either directly (methylating homocysteine) or indirectly through supporting production of S-adenosyl methionine (SAMe). Choline is converted into acetylcholine (ACh).
Common food sources:
Beef liver, eggs, soybeans, scallops, chicken breast
Correlation between serum and WBC ("Cellular") levels:
Serum levels normal/excess and...
WBC - deficient:
Short term status of micronutrients is optiomal, but cellular absorption may be a problem.
Possible interventions:
- Increase dietary intake of nutrient
- increase supplementation dosage
- consider status of synergistic nutrients for cellular absorption
- consider levels of oxidative stress on nutrient depletion
- consider follow up testing to identify the source of malabsorption
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What does it mean if your Choline (Serum) result is too low?
How it gets depleted:
Depletion of choline is typically not a concern, and limited information exists on how depletion would happen primarily, however, lower intake of choline may lead to inefficient methylation.
Clinical Manifestations of Depletion:
Deficiency in dietary choline is known to increase hepatic triglyceride accumulation. This results in lower blood triglycerides, but increased accumulation of triglycerides in the liver.
Subjects with a mutation in the MTHFR enzyme seem to place more burden on choline in methylation cycles. Depletion of choline can also lead to muscle damage.
Food sources:
Eggs, liver, and peanuts are the best sources of choline. Poultry, fish, and cruciferous veggies are good sources of choline.
Supplement Options:
→ The AI for choline is 425 mg/day for women and 550 mg/day for men.
→ The UL is 3,500 mg/day.
Choline bitartrate is the most common supplemental form of choline for most general purposes, such as liver health. CDP-Choline and Alpha-GPC are commonly used for nootropic purposes.
Supplemental choline can enhance systemic methylation. Excessive consumption of choline ≥7,500 mg has been associated with low blood pressure, excessive sweating, fishy body odor, and gastrointestinal side effects.
Correlation between serum and WBC ("Cellular") levels:
Serum levels deficient and...
WBC - normal:
Long term nutrient status is optiomal, but short term needs improvement.
Possible interventions:
- increase dietary intake of nutrient
- increase supplementation dosage
- medications may have an effect on depletion
WBC - deficient:
Short term and long term status of micronutrients is not optimal, suggesting low dietary intake and both intestinal and cellular malabsorption as possible causes.
Possible interventions:
- Increase dietary intake of nutrient
- increase supplementation dosage
- medications may have an effect on depletion
- consider follow up testing to identify the source of malabsorption
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