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Soy lecithin

Soy lecithin is a lecithin (a structural term for a triglyceride with one fatty acid replaced by phosphatic acid conjugates) which delivers a high level of phosphatidylserine (PS), phosphatidylcholine (PC), and phosphatidylinositol (PI).

Our evidence-based analysis on soy lecithin features 26 unique references to scientific papers.

Research analysis led by .
Reviewed by
Examine.com Team
Last Updated:

How to Take

Medical Disclaimer

Recommended dosage, active amounts, other details

Supplementation of soy lecithin seems to be in the range of 500-2,000mg. While it does not require to be taken with a meal, it is usually recommended to do so out of prudency.

Alternatively, soy lecithin can be dosed in accordance with phosphatidylcholine dosing.

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Human Effect Matrix

The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what effects soy lecithin has on your body, and how strong these effects are.
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Outcome Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-c Notable - See study
A decrease in LDL-C has been noted with soy lecithin ingestion to the degree of 42.05-56.15% in hypercholesterolemics, which is a remarkable decrease. Requires replication.
grade-c Notable - See study
A decrease in total cholesterol, mostly due to LDL-C, has been noted to the magnitude of 40.66-42.00% which is astounding; requires replication.
grade-c Minor - See study
May reduce cortisol during a social stress test at 2g
grade-c Minor - See study
May reduce perceived stress during stressful situations
grade-c - - See study
No significant influence on HDL-C levels
grade-c - - See study
Despite the reduction in perceived stress, heart rate does not appear to be affected by supplemental soy lecithin
grade-c - - See study
No significant influence on triglycerides

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Things to Note

Do Not Confuse With

Soy isoflavones (different molecule from same plant)

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Click here to see all 26 references.