---
title: "Microbiome & Gut Health"
url: "https://knowyourdna.com/microbiome/"
description: "Learn about gut microbiome testing, probiotics, and digestive health with expert reviews and science-backed guides."
---

[![Featured image for LifeDNA Review — Is It Worth Buying Their DNA Test Kits?](/_astro/LifeDNA.CQbTIQok_Z2rUNrV.webp)](/life-dna-review/)

At-Home Health Testing · 13 min read

### [LifeDNA Review — Is It Worth Buying Their DNA Test Kits?](/life-dna-review/)

LifeDNA is one of the more popular wellness-focused DNA tests. Here's what to know before you buy one of its kits, including its 13 Methylation Genes Test.

Ada Sandoval · Jun 10, 2021

[![Featured image for What Are Genetic Mutations?](/_astro/shared-dna-photo.DiuBky7V_2bnq6U.webp)](/what-is-a-genetic-mutation/)

DNA Testing · 6 min read

### [What Are Genetic Mutations?](/what-is-a-genetic-mutation/)

Genetic mutations are changes in the DNA sequence. They happen spontaneously or due to external factors such as exposure to mutagens or viral infections.

Katrina Canlas · Dec 21, 2023

[![Featured image for 5Strands Review (2026): An Experimental Screening Tool, Not a DNA Test](/_astro/5Strands-Test.th08wia8_9Iy8e.webp)](/5strands-review/)

DNA Testing · 5 min read

### [5Strands Review (2026): An Experimental Screening Tool, Not a DNA Test](/5strands-review/)

5Strands uses bioresonance hair analysis to screen 600+ items across food, environmental, nutritional, and metals categories. It costs $88 to $188, delivers results in 7-10 days, and is not a DNA test or medical diagnosis.

Ada Sandoval · May 4, 2023

[![Featured image for Most Common Genetic Disorders In Humans](/_astro/shared-two-women-getting-coffee.DYYTA9l4_ZxT7WF.webp)](/most-common-genetic-disorders/)

DNA Testing · 8 min read

### [Most Common Genetic Disorders In Humans](/most-common-genetic-disorders/)

Some genetic diseases can happen to anyone. We have identified the 15 most common genetic disorders. Find out what these conditions are and how to handle them.

Cristine Santander · Jul 27, 2021

[![Featured image for Why Do Some People Marry Within the Same Group: This is Endogamy](/_astro/shared-picture-of-happy-people-laughing.CFXWrqS3_1MnXeQ.webp)](/what-is-endogamy/)

DNA Testing · 7 min read

### [Why Do Some People Marry Within the Same Group: This is Endogamy](/what-is-endogamy/)

Endogamy is the practice of marrying within the same group. Learn what it is, why some communities follow it, and how it can affect ancestry and health.

Kelly Brown · Oct 2, 2020

[![Featured image for SelfDecode Review (2026)](/_astro/SelfDecode-Review.B2kTUboD_1StU7A.webp)](/selfdecode-review/)

DNA Testing · 14 min read

### [SelfDecode Review (2026)](/selfdecode-review/)

Once you have your DNA data file, a decoding platform can help you understand it. SelfDecode is a company that offers DNA analysis. Read more about their services here.

Ada Sandoval · Mar 24, 2022

[![Featured image for How Similar Is Human DNA to Chimpanzee DNA?](/_astro/shared-picture-of-chimpanze.wcNL2k67_2vWBqh.webp)](/human-and-chimpanzee-dna/)

DNA Testing · 5 min read

### [How Similar Is Human DNA to Chimpanzee DNA?](/human-and-chimpanzee-dna/)

Humans and chimpanzees share most of their DNA, yet the differences matter more than the overlap. Here's what the actual science says about our genetic relationship.

Kelly Brown · Mar 2, 2021