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ConsumerLab.com Answers
Pyridoxal-5-Phosphate (P-5-P) & Vitamin B6
Question: Is P-5-P really better than "regular" vitamin B6?
Answer: Pyridoxal-5-phosphate, sometimes called P-5-P or PLP, is the active form of vitamin B6 (pyridoxine). Most supplements provide the pyridoxine form of B6, although some provide pyridoxal-5-phosphate, or a combination of both. Taken at recommended doses, both forms appear to be relatively safe and have similar bioavailability for most people. Although pyridoxal-5-phosphate is sometimes promoted as more beneficial for people with diabetes, there do not appear to be any studies in people to support this. For more details, see the "What to Consider When Buying" section of the B Vitamin Supplements Review >>
You are not taking into consideration the very real problem of people who have gene mutations which affect their methylation process. The bio-available forms of all B vitamins, especially Folic acid in the form of 5-Methyltetrahydrofolic acid, are a necessity for these people.
Hi Carol - As noted in the section of the B Vitamin Supplement Review linked to in the above answer, P-5-P may be prescribed for people with conditions that prevent the body from converting pyridoxine -- this would include people with certain genetic mutations.
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This CL Answer initially posted on 10/21/2015.
Last updated 8/2/2017.
ConsumerLab.com members may submit questions to CLAnswers@ConsumerLab.com. We read all questions and try to answer those of popular interest.
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