Learn
The Herb Dr Learning Center is your reference for science-based botanical education. Every guide is written to give you the information you need to make informed decisions — about ingredients, quality, sourcing, and use.
Essential Oils
- Essential Oils: The Complete Guide
- Essential Oils FAQ
- Essential Oil Dilution Guide: Safe Ratios for Every Use
Herbal Capsules & Supplements
- Herbal Capsules: The Science of Standardized Botanical Supplements
- Herbal Capsules FAQ
- How to Choose a Standardized Herbal Extract
- The Science Behind Adaptogenic Herbs
Dried Herbs & Powders
- Dried Herbs: How to Choose, Use & Store Them Right
- Herbal Powders: Uses, Benefits & How to Choose the Best Quality
- Dried Herbs FAQ
Herbal Teas
Natural Formulation & Raw Materials
- Natural Butters & Carrier Oils: The Formulator's Reference Guide
- Beeswax: The Complete Formulator's Guide
- Body & Linen Sprays: Aromatherapy for Your Body and Space
- Natural Massage Products: A Guide to Botanical Bodywork
Kratom
From the Blog
- What Are Standardized Extracts? The Foundation of Effective Botanical Medicine
- Why Most Herbal Supplements Don't Work — And What to Look for Instead
- How Botanical Formulations Work: Mechanisms, Pathways, and the Science of Plant Medicine
- Essential Oil Dilution Guide: Safe Ratios for Every Use
- How to Choose a Standardized Herbal Extract
- Wild Dagga vs. Kratom: What's the Difference?
- The Science Behind Adaptogenic Herbs
- How to Make Herbal Tea Blends at Home