← Back to Home

Knowledge Base

Explore Gene, Biomarker, Pathway, Symptom, and Question Guides

Browse clear explanations of common genes, symptoms, pathways, validation markers, and practical questions related to metabolism and DNA-based interpretation.

5Topic hubs
30Gene guides
6Biomarker guides
6Pathway guides
10Symptom guides
9Buyer guides
4Question guides

Use the search box to quickly find the topics most relevant to your questions.

Content type

Topic tags

Topic hubs

Topic Guides

5 results

Genes

Gene Guides

30 results

ADIPOQ

ADIPOQ metabolism gene

ADIPOQ is relevant when insulin sensitivity and metabolic resilience seem harder to maintain than broad lifestyle advice would predict.

GlucoseLipidsWeight

AMY1

AMY1 starch digestion gene

AMY1 is relevant when carbohydrate tolerance seems unusually variable, especially with starch-heavy meals.

GlucoseLipids

APOE

APOE gene metabolism

APOE is important for lipid transport and how fats are packaged and moved through the body, making it relevant to cholesterol and metabolic resilience.

LipidsEnergyNutrition

BHMT

BHMT gene function

BHMT is one of the key backup remethylation routes for homocysteine handling, making it important when methylation support and choline-derived methyl donors are under pressure.

MethylationEnergyNutrition

CBS

CBS gene methylation

CBS sits at the point where homocysteine can move out of remethylation and into the transsulfuration pathway, linking methylation balance with sulfur metabolism.

MethylationEnergyNutrition

COMT

COMT gene metabolism

COMT helps break down catecholamines and methylated compounds, which places it at the intersection of neurotransmitter handling and methylation demand.

MethylationOxidative stressDetox

CYP1A2

CYP1A2 caffeine metabolism gene

CYP1A2 is the gene most people encounter first when they ask why caffeine hits them harder or lasts longer than expected.

Oxidative stressDetoxEnergy

CYP2C19

CYP2C19 metabolism gene

CYP2C19 is another compound-metabolism gene that becomes important when drug handling or unusual response patterns keep showing up.

Detox

CYP2D6

CYP2D6 drug metabolism gene

CYP2D6 is best known for medication metabolism, but it also matters more broadly wherever compound clearance differences make people respond unpredictably.

Oxidative stressDetoxFAQ

DAO

DAO gene histamine metabolism

DAO is one of the main histamine-clearance genes people look at when food-triggered symptoms, flushing, or unpredictable reactivity show up.

HistamineFAQ

FTO

FTO gene weight gain

FTO is commonly discussed in weight-gain genetics because it can influence appetite regulation, energy intake, and how strongly food cues affect behavior.

GlucoseLipidsEnergy

FUT2

FUT2 gene gut microbiome

FUT2 shapes how certain glycans are expressed in the gut environment, which can influence microbiome behavior and downstream nutrient handling.

HistamineNutritionBuyer intent

G6PD

G6PD deficiency metabolism

G6PD is central to redox defense because it supports NADPH generation, which cells use to maintain antioxidant capacity.

Oxidative stressDetoxEnergy

GPX1

GPX1 antioxidant gene

GPX1 is part of the glutathione-based antioxidant system and becomes relevant when oxidative buffering may be a real bottleneck.

Oxidative stress

HNMT

HNMT gene histamine metabolism

HNMT handles histamine inside cells, making it relevant when histamine patterns look broader than just food reactions.

MethylationHistamine

IRS1

IRS1 insulin signaling gene

IRS1 sits close to the center of insulin signaling, making it highly relevant when carb response and metabolic flexibility are in question.

GlucoseEnergyWeight

LEPR

LEPR leptin resistance gene

LEPR becomes relevant when satiety signals feel unreliable and weight regulation seems harder than generic advice would predict.

GlucoseLipidsEnergy

MAOA

MAOA gene metabolism

MAOA helps break down monoamine neurotransmitters and is relevant when catecholamine balance, mood stability, or stress recovery seem unusually sensitive.

Oxidative stress

MTHFR

MTHFR gene metabolism

MTHFR sits inside the folate cycle and helps produce methyl groups used across detoxification, neurotransmitter balance, and homocysteine handling.

MethylationDetoxEnergy

NAT2

NAT2 slow acetylator gene

NAT2 is a classic detoxification pathway gene that affects how quickly certain compounds are acetylated and cleared.

Oxidative stressDetoxEnergy

NOS3

NOS3 nitric oxide gene

NOS3 is relevant when circulation, endothelial function, and nitric-oxide-related performance response seem harder to optimize than expected.

LipidsOxidative stressEnergy

PEMT

PEMT gene choline metabolism

PEMT is relevant for choline handling and phosphatidylcholine synthesis, which matter for liver function, membrane integrity, and methylation-related support.

MethylationLipidsNutrition

PPARA

PPARA fat metabolism gene

PPARA helps regulate fat oxidation, especially when the body is shifting toward using stored fat for energy.

GlucoseLipidsEnergy

PPARG

PPARG metabolism gene

PPARG influences adipose biology and insulin sensitivity, making it relevant to how energy is stored and how tissues respond to glucose-related signals.

GlucoseLipidsEnergy

SHMT1

SHMT1 gene metabolism

SHMT1 participates in one-carbon metabolism and helps move folate-related chemistry toward processes that support methylation and nucleotide balance.

MethylationGlucoseEnergy

SLC6A4

SLC6A4 serotonin metabolism gene

SLC6A4 affects serotonin transport and is relevant when neurotransmitter handling, stress response, and gut-brain signaling seem unusually sensitive.

WeightBuyer intent

SOD2

SOD2 oxidative stress gene

SOD2 supports mitochondrial antioxidant defense, making it relevant when recovery and oxidative load seem harder than expected.

Oxidative stressEnergyNutrition

TCF7L2

TCF7L2 diabetes gene

TCF7L2 is one of the better-known glucose-related genes and becomes relevant when insulin and carb-response questions need clearer prioritization.

GlucoseEnergyWeight

TCN2

TCN2 B12 transport gene

TCN2 helps move vitamin B12 into tissues, so it matters when methylation support looks weak despite reasonable B12 intake.

MethylationEnergyNutrition

UGT1A1

UGT1A1 detox gene

UGT1A1 is part of the conjugation system that helps package compounds for clearance, including bilirubin and various metabolic byproducts.

Oxidative stressDetox

Biomarkers

Biomarker Guides

6 results

Pathways

Pathway Guides

6 results

Symptoms

Symptom Guides

10 results

Brain fog

brain fog metabolism causes

Brain fog is often multi-factorial. It can involve methylation support, neurotransmitter balance, histamine handling, nutrient transport, or glucose instability.

MethylationGlucoseHistamine

Fatigue after eating carbs

fatigue after eating carbs

Feeling tired after carbohydrate-heavy meals usually points to a glucose-regulation or meal-response issue, not simply a lack of willpower.

MethylationGlucoseOxidative stress

Histamine intolerance

histamine intolerance genetics

Histamine-related symptoms are often messy because food triggers, gut state, methylation support, and stress load can all play a role at the same time.

MethylationHistamine

Insulin resistance

insulin resistance genetics

Insulin resistance is shaped by lifestyle, but also by how appetite, glucose handling, and fat storage systems interact over time.

GlucoseLipidsEnergy

Low energy

low energy metabolism causes

Low energy can come from several metabolic bottlenecks: nutrient transport, methylation support, oxidative stress handling, or glucose instability.

MethylationGlucoseOxidative stress

Poor detoxification

poor detoxification symptoms

“Poor detoxification” is often used too loosely. The useful question is which specific clearance systems may be under more pressure than expected.

Oxidative stressDetoxNutrition

Slow metabolism

slow metabolism genetics

“Slow metabolism” is often used as a catch-all, but the real issue is usually specific systems operating with less efficiency than expected.

MethylationGlucoseLipids

Why caffeine hits me hard

why caffeine hits me hard genetics

Caffeine sensitivity is one of the clearest examples of a real-world pathway question that DNA can help prioritize.

Oxidative stressDetoxBuyer intent

Why do I gain weight easily?

why do I gain weight easily genetics

Easy weight gain is usually not explained by one factor. Appetite regulation, glucose handling, satiety signals, and dietary response can all create more friction than generic advice accounts for.

GlucoseLipidsEnergy

Why supplements do not work for me

why supplements do not work for me

Poor supplement response often means the issue is not the supplement itself, but whether the underlying pathway can absorb, transport, activate, or use it effectively.

MethylationHistamineNutrition

Buyer intent

Buyer Guides

9 results

23andMe vs Metastate metabolism report

23andMe vs Metastate metabolism report

23andMe gives you raw DNA data and some standard trait reporting. Metastate is the interpretation layer that turns raw data into pathway-level metabolic priorities.

MethylationBuyer intent

Analyze 23andMe raw data for metabolism

analyze 23andMe raw data metabolism

Raw DNA exports contain useful information, but they are not actionable on their own. The value comes from translating variant data into metabolic systems that may deserve follow-up.

MethylationNutritionBuyer intent

Best DNA test for metabolism

best DNA test for metabolism

The best DNA test for metabolism is not the one with the most SNPs. It is the one that translates raw data into clear biological priorities and next steps.

Oxidative stressDetoxBuyer intent

DNA nutrition analysis report

DNA nutrition analysis report

A useful DNA nutrition analysis report should not just tell you which nutrients are fashionable. It should show which metabolic systems may affect how you respond to nutrition in the first place.

MethylationLipidsHistamine

Generic DNA report vs pathway analysis

generic DNA report vs pathway analysis

The difference is simple: a generic DNA report lists findings, while pathway analysis helps you decide what matters first.

MethylationHistamineBuyer intent

Genetic test for weight loss Europe

genetic test for weight loss Europe

If you are looking for a weight-loss-related DNA report in Europe, the useful question is not whether a gene can predict your body weight. It is which metabolic systems may be making progress harder than it should be.

GlucoseLipidsOxidative stress

Nutrigenomics vs metabolic pathway analysis

nutrigenomics vs metabolic pathway analysis

Nutrigenomics often focuses on food-response summaries. Metabolic pathway analysis focuses on the systems underneath those responses and what should be validated next.

MethylationNutritionBuyer intent

Personalized metabolism report online

personalized metabolism report online

If you want a personalized metabolism report online, the useful distinction is between a report that looks personalized and one that actually prioritizes biological systems worth validating.

MethylationGlucoseLipids

Upload DNA for health report

upload DNA for health report

If you already have a raw DNA file, the next useful step is not another generic wellness summary. It is a report that prioritizes which metabolic systems may be worth validating first.

LipidsNutritionBuyer intent

Common questions

Question Guides

4 results