Heart.
Evidence-led reading on heart from the HL Benefits desk. Long reads, careful guides, and the boring-but-true positions the research keeps settling on.
GLP-1 Drugs and Heart Health: Cardiovascular Benefits Beyond Weight Loss
GLP-1 receptor agonists protect the heart through at least five biological pathways beyond weight loss, cutting cardiovascular events by 20-35% across major trials.
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Natural Blood Pressure Reduction: Diet, Supplements, and Lifestyle Strategies That Work
Evidence-based approaches to lowering blood pressure through diet, minerals, supplements, and lifestyle changes.
Nattokinase: Benefits for Heart Health, Blood Clots, and Dosage
HeartVitamin K2 for Heart and Bone Health — The Nutrient Most People Miss
HeartPolyphenol-Rich Foods for Heart Health: The Evidence-Based Guide to What Actually Works
How Sleep Timing (Not Just Duration) Affects Your Heart: What New Research Reveals
New research shows that when you fall asleep matters for heart health, not just how long. A UK Biobank study of 88,000 people found the optimal bedtime window.
The Best Types of Magnesium for Heart Health: A Guide to Palpitations, Blood Pressure, and Arrhythmia
Which magnesium forms actually help your heart? This evidence-based guide breaks down taurate, glycinate, citrate, and more for palpitations, blood pressure, and arrhythmia.
Vagus Nerve and Heart Health: New Research on the Nerve That Keeps Your Heart Young
New research shows the vagus nerve actively protects your heart from aging. Learn what HRV reveals about cardiac health and how to strengthen vagal tone.
We started this section because the conversation about heart had become unbearable — too loud, too certain, too often selling something. The boring middle — what the evidence actually supports, repeated across decades, written without a brand to defend — is not a position you can monetize, but it is the position the research keeps quietly settling on.
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A companion section to heart, with its own evidence-led reading list.
Food & Nutrition
A companion section to heart, with its own evidence-led reading list.
Weight Loss
A companion section to heart, with its own evidence-led reading list.
Definitive guides.
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Vitamin D3 and Second Heart Attack Prevention: The Breakthrough Study That Changes Everything
A landmark clinical trial found that targeted vitamin D3 supplementation reduced second heart attack risk by 50% in survivors with monitored blood levels.
The Gut-Heart Axis: How Your Microbiome Secretly Controls Your Cardiovascular Risk
Your gut bacteria produce metabolites that directly affect your arteries, either protecting them or damaging them from the inside.
A claim about heart is not a study. A study is not a meta-analysis. A meta-analysis is not a guideline. The article doesn't fit on a label.
On our desk this week.
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Berberine for Heart Health: What the Science Actually Says About This Natural Cholesterol Fighter
A research-based look at berberine's effects on cholesterol, blood pressure, and inflammation, including what clinical trials actually show.
Strong Thighs Protect Your Heart: The Ultimate Guide to Leg Strength and Cardiovascular Health
Research shows that strong quadriceps reduce heart failure risk by 41% after a heart attack. This guide covers the science of myokines, the calf muscle pump, and current guidelines.