Learning Hub
Evidence-based guides on the herbs people actually use for gut health, immune support, energy, and stress. Long enough to be useful. Honest about what the research says.
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Gut Health · 9 min read
A practical, evidence-based guide to the most effective gut-healing herbs — slippery elm, marshmallow root, licorice, ginger, and more. What the research actually shows, and how to use them daily.
Read the Guide →Immune Health
The most-researched immune herbs — astragalus, echinacea, elderberry, eleuthero — and how to actually use them.
Read article →Gut Health
A practical guide to the most effective gut-healing herbs — and what the research actually shows.
Read article →Product Guide
The two herbs in our gut-soothing tea, why we paired them, and exactly how to brew it.
See Klara Tea →Product Guide
A breakdown of every herb in our daily immune drops — what each one does and why it's there.
See Klara Boost →Adaptogens · 11 min read
A plain explainer of how adaptogenic herbs work, who they help, and the 8 with the strongest research behind them.
Read article →Travel Health · 10 min read
The pre-flight, in-flight, and post-flight routine that actually stops you from getting sick after every trip.
Read article →Deep-dive reference guides on every herb in our products — history, science, and how they work in your body.
Herb Encyclopedia · Reference Hub
All 7 herbs. Thousands of years of history. Every guide in one place — with the wildcrafted sourcing difference explained.
Explore all herbs →Immune Support · 2,000+ Years of Use
How Huang Qi became one of the 50 foundational herbs in TCM — and what modern research says about telomeres, immune defense, and longevity.
Read full guide →Immune Defense · Native American Herb
Used by 14+ Native American tribes before becoming the most-prescribed herb in 19th-century American medicine. Here's why the root form is the most potent.
Read full guide →Lymphatic Health · America's Hidden Herb
Cherokee and Iroquois used it for centuries. 19th-century physicians called it their #1 lymphatic herb. It's time you knew about Red Root.
Read full guide →Energy & Hormones · Amazon Rainforest
Called "Para Toda" (for everything) by indigenous Amazonian people. Known today for its ecdysteroids, natural anabolic compounds, and adaptogenic energy without stimulants.
Read full guide →Gut Health · 4,000 Years of History
Buried with pharaohs, carried by Alexander the Great's army, and still used in hospitals in Japan today. Licorice root is arguably the most versatile medicinal plant on Earth.
Read full guide →Energy & Stress · Soviet Adaptogen
3,000+ Soviet studies. Olympic athletes. Chernobyl workers. Eleuthero is the world's most-researched adaptogen — built for high performers who refuse to run on empty.
Read full guide →Gut Healing · Official US Medicine 1820–1960
A staple of Native American herbalism and the United States Pharmacopeia from 1820 to 1960. The tree bark traditionally used to coat and soothe the digestive tract.
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