Articles

May 19, 2026
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by Ari Tulla

Build Your Own 24/7 Health Coach with Claude

You generate millions of health data points a year — across blood panels, wearables, your genome, your CGM — and act on almost none of them. The five leading consumer health apps each see one slice of you. In 2026, Claude finally sees all of them at once. Here's the weekend build: how to wire every source into a single 24/7 coach, the skill file I use, and what actually changed when I did.

Mar 01, 2026
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by Ari Tulla

Which Blood Test Service Gives the Best Advice? I Used My Elevated ApoB to Find Out.

A follow-up to The Best Comprehensive Blood Biomarker Tests (2026 Review) In Part 1, I ranked five services—Function Health, Superpower, Whoop Advanced Labs, Oura Health Panels, and Ultrahuman Blood Vision—on their testing protocols, biomarker depth, and overall value. My conclusion:...

Feb 07, 2026
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by Ari Tulla

The Best Comprehensive Blood Biomarker Tests (2026 Review)

Who offers the best actionable health insights today? I tested Function Health, Superpower, Oura, Whoop, and Ultrahuman to find out. For decades, the annual physical has been a black box. You visit a doctor, get a standard lipid panel, and...

heart shaped plate filled with vegetables

Jun 26, 2022
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by Elle Penner, MPH, RD

Everything you need to know about homocysteine

Homocysteine is an amino acid in the blood, and while vitamin deficiency is the most common cause of high homocysteine levels, the symptoms can be hard to detect. Without treatment, elevated homocysteine increases your risk for numerous health conditions, including...

Apr 06, 2022
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by Elle Penner, MPH, RD

Vitamin D supplements: do they work?

If you’re looking for ways to optimize your health, then go no further than vitamin D. This vitamin plays a crucial role in maintaining strong bones, reducing COVID-19 severity, and supporting immune and brain health, yet, despite its importance, many...

Jan 23, 2022
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by Sarah Achleithner

Personalized nutrition doesn't cut it. Why 'Smart Nutrition' is the way of the future.

Nutrition is a complex science that involves many variables, which means there’s no “one size fits all” approach. Increasingly, consumers are looking for nutrition solutions tailor-made for their unique biology, goals, and preferences. To date, most of the personalized nutrition...

Dec 16, 2021
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by Sarah Achleithner

Blood biomarkers we test at Elo and how they factor into your personalized nutrition plan

When it comes to nutrition, there’s not a “one size fits all” approach. While many companies offer “personalized nutrition” services based on generic questionnaires, we take personalized nutrition several steps further and incorporate blood biomarker results, wearable data, and personal...

three blue dna strands against dark background

Dec 01, 2021
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by Jennifer Brassil

What is nutritional genetics/genomics and is it right for you?

Nutrigenomics and nutrigenetics, also known as nutritional genomics and nutritional genetics, may seem like relatively new words and that’s because they are! Science has only just begun to understand the relationship between nutrition and genetics within the last decade. Should you...

Nov 14, 2021
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by Sarah Achleithner

What blood biomarkers tell you about your personal nutrition needs

Biomarkers provide many important insights into your health and can tell you a lot about your nutritional status. Between uncovering nutrient deficiencies and predicting your risk of disease, blood biomarkers can help you uncover your specific dietary needs so you...

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