Genetics, DNA testing and personalized wellness, written by the LifeDNA team and reviewed by our science advisors.
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Explore the best companies for methylation genetic testing in 2025. Learn insights to find the right DNA test for your health.
Written by Avanthika Nityanand · Reviewed by Maarit Tiirikainen, PhD
Read this Viome review to understand how gut microbiome testing works, what your results mean, and how DNA insights guide your health.
Discover how genetics may affect your body’s response to probiotics like yogurt, kefir, and kimchi. Learn how your DNA shapes gut health.
Learn how serotonin supplements support mood, sleep, and overall mental health. Explore their benefits and the science behind serotonin balance.
Discover how your DNA can influence the right dose of fish oil. Learn how genetics affect heart health, and personalized supplement needs.
Learn how genetic data may guide cholesterol levels, management, and connection to how healthy food choices support heart health.
Learn how genetics may influence your body’s response to fasting and the connection between DNA and benefits for health and wellness.
Discover how genetics can affect caffeine withdrawal symptoms, from headaches to fatigue, and why some people feel them more strongly.
Learn how the CAT gene supports body detox by regulating oxidative stress and protecting cells from damage.
Learn whether age-related macular degeneration (AMD) is genetic, how genes influence eye health, and what this means for vision care.
Do twins run in your family? Learn the genetic factors behind twinning, including key genes linked to twins and fertility research insights.
What causes color blindness? Take a closer look at the genetic factors behind color vision deficiency, and how it’s inherited.