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Pyridoxal-5-Phosphate P5P - Active Vitamin B6 Derivative from China Suppliers and Factory
C8H10NPO6·H2O
Description
Pyridoxal-5-phosphate (P5P) is the active coenzyme form of vitamin B6 (pyridoxine) in the body (no need for liver conversion), directly involved in more than 100 enzymatic reactions, showing significant advantages in metabolic regulation, neuroprotection and anti-oxidation, and becoming the preferred ingredient for modern nutritional supplements.
Core Advantages Compared to Ordinary Vitamin B6
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No Need for Metabolic Conversion — Fast Onset Ordinary vitamin B6 (pyridoxine) needs to be converted to P5P by the liver before it can work, and the conversion efficiency is affected by age, liver and kidney function and genetic polymorphism (such as ALPL gene mutations — the conversion rate decreases by 50%). P5P directly provides an active form, and its bioavailability is increased by more than 70%, which is especially suitable for people with metabolic disorders (such as the elderly and patients with liver disease).
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High Doses Are Safer Long-term high-dose supplementation of ordinary B6 (>50 mg/day) may cause peripheral neuropathy (due to accumulation of pyridoxine metabolites), while P5P does not have this risk. Clinical studies have confirmed that its safety is as high as 1000 mg/day (Eur J Clin Nutr, 2018).
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Broad Spectrum pH Stability P5P remains stable in gastric acid (ordinary B6 is easily degraded in an acidic environment), ensuring efficient intestinal absorption, and has no antagonistic effect when combined with minerals (such as magnesium and zinc).
Core Nutritional Health Effects
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1
Amino Acid and Homocysteine Metabolism
As a coenzyme of transaminase and cystathionine β-synthase, P5P catalyzes the conversion of homocysteine to cystathionine, reduces the homocysteine level in the blood (for every 1 mg increase in P5P, Hcy decreases by 15%), and reduces the risk of cardiovascular disease and cognitive decline.
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Neurotransmitter Synthesis and Mood Regulation
Directly participates in the synthesis of serotonin, dopamine, and GABA, improving anxiety, depression, and sleep quality. Clinical trials have shown that P5P (50 mg/day) can reduce the emotional symptoms of premenstrual syndrome (PMS) by 40% (J Womens Health, 2016).
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Hemoglobin and Immune Support
Synergize folic acid and vitamin B12 to promote hemoglobin synthesis and prevent iron deficiency anemia; activate T lymphocyte proliferation and antibody production to enhance anti-infection ability.
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Glycogen Metabolism and Hormone Balance
Regulate glycogen decomposition and insulin sensitivity to assist blood sugar homeostasis; promote estrogen metabolism to reduce the risk of breast hyperplasia and gynecological tumors.
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Antioxidant and Skin Health
Delay skin aging by removing free radicals and inhibiting the production of advanced glycation end products (AGEs); regulate sebaceous gland function to improve acne and seborrheic dermatitis.
Applicable Population
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Metabolic Sub-health
Hyperhomocysteinemia, prediabetes
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Neurological Needs
Excessive stress, sleep disorders, Parkinson's disease auxiliary intervention
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Female Group
Premenstrual syndrome, menopausal hormone fluctuations
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Athletes & High-protein Dieters
Accelerate amino acid metabolism and reduce muscle fatigue
Frequently Asked Questions (FAQ)
Q1
What is the difference between P5P and regular vitamin B6 (pyridoxine)?
P5P (Pyridoxal-5-Phosphate) is the biologically active coenzyme form of vitamin B6. Unlike regular pyridoxine, P5P does not require liver conversion to become active, which means it is immediately bioavailable to the body. This makes it significantly more effective, especially for individuals with liver conditions, metabolic disorders, or certain genetic variations that reduce conversion efficiency by up to 50%.
Q2
Is P5P safe to take at high doses?
Yes. Unlike regular vitamin B6, which can cause peripheral neuropathy at doses above 50 mg/day due to pyridoxine metabolite accumulation, P5P does not carry this risk. Clinical studies have confirmed P5P is safe at doses up to 1000 mg/day (Eur J Clin Nutr, 2018). However, it is always recommended to follow product dosage guidelines or consult a healthcare professional.
Q3
How does P5P support cardiovascular health?
P5P acts as a coenzyme for transaminase and cystathionine β-synthase, catalyzing the conversion of homocysteine (a risk factor for cardiovascular disease) into cystathionine. For every 1 mg increase in P5P intake, blood homocysteine (Hcy) levels decrease by approximately 15%, thereby reducing the risk of cardiovascular disease and cognitive decline.
Q4
Can P5P help with mood and mental health?
Yes. P5P directly participates in the synthesis of key neurotransmitters including serotonin, dopamine, and GABA — all of which play essential roles in mood regulation, stress response, and sleep quality. Clinical trials have demonstrated that supplementing with 50 mg/day of P5P can reduce the emotional symptoms of premenstrual syndrome (PMS) by up to 40% (J Womens Health, 2016).
Q5
Who is most likely to benefit from P5P supplementation?
P5P is particularly beneficial for individuals with metabolic sub-health conditions (such as hyperhomocysteinemia or prediabetes), those experiencing stress or sleep disorders, women dealing with PMS or menopausal symptoms, athletes and high-protein dieters who need enhanced amino acid metabolism, as well as elderly individuals or those with liver conditions who have reduced B6 conversion capacity.
Q6
Does P5P interact with other minerals or supplements?
P5P has excellent compatibility with other nutrients. Unlike regular vitamin B6 which can be degraded in acidic environments, P5P remains stable in gastric acid for reliable intestinal absorption. Importantly, it has no antagonistic interactions when combined with minerals such as magnesium and zinc, making it suitable for use in multi-nutrient formulations.