Featured — Wellness
Does Pueraria Mirifica Cause Weight Gain?
Weight on the scale is not the same as body fat. See what research says about Pueraria Mirifica, water retention and where estrogen stores fat.
Featured — Research & Studies
Does Pueraria Mirifica Work? What Research Shows
An honest look at what human, animal, and lab research on Pueraria Mirifica actually shows.
Featured — Men Series
Butea Superba Side Effects and Safety: What to Know
Reported Side Effects Butea superba, also called red Kwao Krua, has a long history in Thai traditional medicine. But a long history of use is not the same…
Featured — Breast Stories
Pueraria Mirifica Breast Cream, and Spray: How to Use Them
Cream, gel, serum, spray or massage oil: how Pueraria Mirifica topical formats differ and how to apply them correctly.
The Stherb Journal
Stories in Skin, Wellness & Botanicals
Herbal science, rituals and honest guidance from the Stherb team — grounded in Thai botanicals and real research.
Showing 12 of 264 articles
Research & Studies
Does Pueraria Mirifica Work? What Research Shows
An honest look at what human, animal, and lab research on Pueraria Mirifica actually shows.
Wellness
Does Pueraria Mirifica Cause Weight Gain?
Weight on the scale is not the same as body fat. See what research says about Pueraria Mirifica, water retention and where…
Men Series
Butea Superba Side Effects and Safety: What to Know
Reported Side Effects Butea superba, also called red Kwao Krua, has a long history in Thai traditional medicine. But a long history…
Breast Stories
Pueraria Mirifica Breast Cream, and Spray: How to Use Them
Cream, gel, serum, spray or massage oil: how Pueraria Mirifica topical formats differ and how to apply them correctly.
Herbs
White, Red and Black Kwao Krua: What’s the Difference?
White, red and black Kwao Krua are three different Thai plants, not three strengths of one herb. Here's how to tell them…
Herbs
Pueraria Mirifica Dosage: How Much & How to Take It
There is no single Pueraria Mirifica dosage. Here is how to read the label, compare forms, and dose safely.
Research & Studies
Revolutionary Advancements with Nanotechnology in St.Herb’s New Product Development
In 2019, St. Herb Cosmetics partnered with Thailand’s National Nanotechnology Center (NANOTEC) to bring nanotechnology into its product development, leading to the…
Herbs
Pueraria Mirifica Side Effects: A Complete Safety Guide
Pueraria Mirifica can cause side effects because it contains biologically active phytoestrogens that interact with estrogen receptors. Reported effects include breast tenderness,…
Wellness
How Herbal Supplement Tolerance Develops and What Cycling Strategies Can Help
Quick answer Herbal supplement tolerance can develop when the body adapts to repeated exposure through mechanisms such as receptor downregulation, faster compound…
Herbs
Enkleia thorelii and Cellular Energy at the Mitochondrial Level: An In-Depth Look
Quick answer Enkleia thorelii has traditionally been used in Thailand for vitality, endurance, and resistance to fatigue. Its possible connection to cellular…
Herbs
Pueraria mirifica and Skin Hydration: The Hyaluronan Production Link
Quick answer Pueraria mirifica may support skin hydration through its phytoestrogenic activity. Estrogen signalling can influence hyaluronan synthase enzymes involved in producing…
Herbs
Why Fat-Soluble Phytoestrogens Absorb Better When Taken with Dietary Fat
Quick answer Taking Pueraria mirifica with a meal containing dietary fat may improve absorption of fat-soluble phytoestrogenic compounds by supporting bile release…
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