What does the BCO1 (Vitamin A) gene do?

The BCO1 (also known as BCMO1) gene provides instructions for an enzyme that converts beta-carotene (a pigment found in many fruits and vegetables) into retinol, the active form of vitamin A. In simple terms: BCO1 helps your body turn plant-based “pro–vitamin A” into the vitamin A your tissues can directly use.

Why is the BCO1 (Vitamin A) gene important?

BCO1 is important because vitamin A plays essential roles in vision, immune defense, gut and skin health, and more. Genetic variants in BCO1 can change how well you convert beta-carotene into retinol. If conversion is reduced, you may be more likely to need a strategy that emphasizes reliable dietary sources of active vitamin A and/or carefully selected supplementation—rather than relying solely on beta-carotene intake.

What can I do based on my BCO1 (Vitamin A) results?

Based on your BCO1 results, your report provides 4 personalized recommendations focused on actionable nutrition steps. These include dietary recommendations (e.g., how to prioritize beta-carotene-rich foods versus retinol-containing foods) and supplement recommendations (e.g., considerations around vitamin A forms and whether targeted support may be appropriate). The goal is to translate your genotype into clear next steps you can use with your healthcare provider or nutrition professional.

Can BCO1 gene variants affect beta-carotene conversion to vitamin A?

Yes. BCO1 variants have been associated with differences in the enzyme’s ability to convert beta-carotene into retinol (active vitamin A). In the research literature, certain alleles are linked to substantially reduced enzyme activity and/or higher circulating beta-carotene levels—patterns consistent with less efficient conversion. This matters because two people can eat the same beta-carotene-rich diet (e.g., carrots, sweet potatoes, spinach) yet produce different amounts of retinol. A BCO1 DNA report helps identify whether you may be a “lower converter,” which can guide more personalized dietary and supplement choices.

What SNPs are tested in a BCO1 (Vitamin A) genetic report, and what do they mean?

This report analyzes 4 BCO1 SNPs that have been studied for associations with beta-carotene metabolism and carotenoid/retinoid-related measures: rs7501331, rs6564851, rs6420424, and rs11645428. These variants have been linked in studies to differences in BCO1 activity and related biomarkers (such as blood beta-carotene levels and carotenoids like lutein/zeaxanthin). Your report doesn’t just list genotypes—it interprets them together and provides personalized, actionable recommendations (dietary and supplement) aligned with your likely conversion efficiency and nutrition goals.

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BCO1 (Vitamin A)

Rated 4.83 out of 5 based on 6 customer ratings

4.8 (7 reviews)

BCO1 (Vitamin A)

Rated 4.83 out of 5 based on 6 customer ratings

4.8 (7 reviews)

The report provides up to 4 personalized recommendations based on 4 genetic variants analyzed. Purchase a DNA kit to generate your genetic results. If you've already got one, you're all set to continue. View sample report.

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Analyzes 4 Genetic Variants

Up to 4 DNA-Based, Science-Backed Recommendations

BCO1 (Vitamin A)

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Note: To generate your personalized report, purchase a SelfDecode DNA kit. If you already have one, you’re ready to proceed.

Understanding Your BCO1 (Vitamin A) Variants: A DNA Gene Report

Do you eat plenty of carrots, sweet potatoes, or leafy greens—but still wonder if you’re getting enough active vitamin A? Have you ever asked why “beta-carotene rich” foods seem to work well for some people’s skin, vision, or immunity, but not others? Your BCO1 (Vitamin A) gene helps convert beta-carotene from food into retinol (active vitamin A), and understanding your BCO1 variants can reveal whether you may be a less efficient converter—so you can make nutrition choices that fit your biology.

Key Report Highlights

This BCO1 (Vitamin A) Gene Report analyzes 4 key genetic variants (SNPs) linked to how efficiently your body converts beta-carotene into retinol, and delivers 4 personalized recommendations based on your results. BCO1 encodes the beta-carotene oxygenase 1 enzyme—central to turning plant-based carotenoids into active vitamin A, a nutrient that supports vision, immune function, gut integrity, and skin health. Compelling fact: certain BCO1 variants have been associated with substantially reduced conversion capacity (reported reductions of ~32–59% in enzyme activity for specific alleles), which may help explain why “eat more orange veggies” isn’t equally effective for everyone.

Personalized, Actionable Recommendations

Your recommendations are tailored to your BCO1 genotype—because the best vitamin A strategy depends on whether you’re likely to convert beta-carotene efficiently or not. You’ll receive a mix of dietary and supplement guidance designed to be practical and personalized. For example, if your genetics suggest reduced conversion, your report may emphasize prioritizing vitamin A–containing foods (retinol sources) and optimizing intake of beta-carotene-rich produce with supportive nutrition habits; it may also include supplement considerations (such as discussing appropriate forms and dosing ranges of vitamin A or carotenoids with a clinician, especially for those who may need more direct retinol support).

User-Friendly Format and Trust

With actionable and easy-to-understand recommendations, the report is designed for seamless integration into your daily life. Its user-friendly format ensures accessibility, making complex genetic data understandable and practical for users at all levels of familiarity with genetic information.

The report is rooted in accuracy and reliability, backed by comprehensive scientific research from reputable sources. It has garnered the trust of over 150,000 users and 1,000+ healthcare professionals. Furthermore, the report complies with HIPAA and GDPR, ensuring your privacy and security are prioritized.

Getting Started

To embark on this journey, simply purchase a DNA kit for an easy at-home sample collection, guaranteeing a hassle-free process. Delve into a personalized approach to wellness and equip yourself with actionable insights to enrich your life and health.

Product FAQs

: The BCO1 (also known as BCMO1) gene provides instructions for an enzyme that converts beta-carotene (a pigment found in many fruits and vegetables) into retinol, the active form of vitamin A. In simple terms: BCO1 helps your body turn plant-based “pro–vitamin A” into the vitamin A your tissues can directly use.
: BCO1 is important because vitamin A plays essential roles in vision, immune defense, gut and skin health, and more. Genetic variants in BCO1 can change how well you convert beta-carotene into retinol. If conversion is reduced, you may be more likely to need a strategy that emphasizes reliable dietary sources of active vitamin A and/or carefully selected supplementation—rather than relying solely on beta-carotene intake.
: Based on your BCO1 results, your report provides 4 personalized recommendations focused on actionable nutrition steps. These include dietary recommendations (e.g., how to prioritize beta-carotene-rich foods versus retinol-containing foods) and supplement recommendations (e.g., considerations around vitamin A forms and whether targeted support may be appropriate). The goal is to translate your genotype into clear next steps you can use with your healthcare provider or nutrition professional.
: Yes. BCO1 variants have been associated with differences in the enzyme’s ability to convert beta-carotene into retinol (active vitamin A). In the research literature, certain alleles are linked to substantially reduced enzyme activity and/or higher circulating beta-carotene levels—patterns consistent with less efficient conversion. This matters because two people can eat the same beta-carotene-rich diet (e.g., carrots, sweet potatoes, spinach) yet produce different amounts of retinol. A BCO1 DNA report helps identify whether you may be a “lower converter,” which can guide more personalized dietary and supplement choices.
: This report analyzes 4 BCO1 SNPs that have been studied for associations with beta-carotene metabolism and carotenoid/retinoid-related measures: rs7501331, rs6564851, rs6420424, and rs11645428. These variants have been linked in studies to differences in BCO1 activity and related biomarkers (such as blood beta-carotene levels and carotenoids like lutein/zeaxanthin). Your report doesn’t just list genotypes—it interprets them together and provides personalized, actionable recommendations (dietary and supplement) aligned with your likely conversion efficiency and nutrition goals.

WHY SELFDECODE?

Empowering Your Well-being Journey

This personalized health report is powered by SelfDecode's cutting-edge AI technology, designed to unlock a deeper understanding of your health potential. We're committed to providing you with the most accurate and actionable insights to guide your well-being journey.

Most Accurate
Polygenic Risk Scoring

We leverage cutting-edge algorithms and analyze a massive dataset of 2 million people to deliver the most precise assessment of your genetic health predispositions. Our advanced approach takes into account your ancestry - which is often overlooked by other methods - to provide you with the most accurate risk assessment. This ensures that the risk scores you receive are based on the latest scientific evidence and are truly personalized to your genetic makeup.

Cutting-Edge AI &
Machine Learning

We have invested 20 million dollars developing our AI and machine learning models. Our patent-pending technology provides you with the most personalized health insights and recommendations by taking into account your unique DNA, lifestyle, labs, symptoms, conditions and health goals. This empowers you to make informed decisions tailored to your specific needs.

Analyzes 200 Million Variants & Sophisticated Recommendation Engine

We go beyond the basics by analyzing a staggering 200 million genetic variants to provide the most comprehensive picture of your health potential. Our sophisticated recommendation engine leverages this deep analysis to provide personalized and actionable insights to optimize your well-being journey.

Built by Leading
Scientists & Engineers

A dedicated team of over 60 scientists and engineers is continuously innovating and developing our technology, ensuring it remains at the forefront of personalized health.

Reviews

Rated 4.83 out of 5 based on 6 customer ratings

4.8 (7 reviews)

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Carter N.

Rated 4 out of 5
I’m a 34-year-old designer and I bought the bco1 (vitamin a) report because my night driving felt worse than it should. The report connected my results to practical steps, like prioritizing dietary vitamin A a few times a week and not relying only on dietary beta-carotene smoothies. I also appreciated the clear notes on vitamin A (supplement) and retinyl palmitate, plus the safety cautions. After following it, my dry eyes eased and my skin feels less flaky. Only downside, I wish it included a few more food portion examples and a quick checklist for weekly planning.
Felipe T.

Rated 5 out of 5
Honestly surprised how accurate this was for me.
Nour S.

Rated 5 out of 5
أنا أعمل في المطبخ وأعتمد كثيراً على الخضار، لكن كنت محتاراً لماذا أشعر أحياناً بجفاف في العينين رغم أن أكلي “صحي”. تقرير BCO1 (Vitamin A) وضح لي أن تحويل البيتا كاروتين قد يختلف، وهذا جعلني أوازن بين Dietary Beta-Carotene ومصادر Dietary Vitamin A مثل الكبدة والبيض بدل الاعتماد على الجزر فقط. أعجبتني أيضاً توصية Vitamin A (supplement) مع التحذير من المبالغة، وذكر Retinyl Palmitate كخيار واضح. بعد شهرين صار عندي روتين أدق وتحسنت الراحة في العين والجلد.
Freya P.

Rated 5 out of 5
Beta-carotene finally clicked.
Kristen M.

Rated 5 out of 5
Not usually a reviewer here but I had to say something because this was actually eye-opening. I learned so much about how my body deals with vitamin A. Makes supplement shopping way less confusing.

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BCO1 (Vitamin A)

Product features

Understanding Your BCO1 (Vitamin A) Variants: A DNA Gene Report

Key Report Highlights

Personalized, Actionable Recommendations

User-Friendly Format and Trust

Getting Started

Product FAQs

What does the BCO1 (Vitamin A) gene do?

Why is the BCO1 (Vitamin A) gene important?

What can I do based on my BCO1 (Vitamin A) results?

Can BCO1 gene variants affect beta-carotene conversion to vitamin A?

What SNPs are tested in a BCO1 (Vitamin A) genetic report, and what do they mean?

WHY SELFDECODE?

Empowering Your Well-being Journey

Most AccuratePolygenic Risk Scoring

Cutting-Edge AI &Machine Learning

Analyzes 200 Million Variants & Sophisticated Recommendation Engine

Built by Leading Scientists & Engineers

Reviews

Related Products

Most Accurate
Polygenic Risk Scoring

Cutting-Edge AI &
Machine Learning

Built by Leading
Scientists & Engineers