The Science
Whole plants. Clinical doses
Every formula is built on the herbalist principle of synergy — using the entire plant to deliver the spectrum of compounds your body actually recognizes.
The Apothecary Workshop
Every herb. Every formula.
Pick a formula. Meet every plant inside it. Tap a card for the full scientific profile — actions, constituents, evidence, and dosage.
Inside Soothe
10 clinically-dosed herbs
The bioavailability gap
Medicine, not candy.
The supplement aisle sells you sugar, gelatin, and feel-good marketing. We make medicine the way clinical herbalists have for 400 years — whole-plant tinctures, held under the tongue, in your bloodstream in 60 seconds.
One format actually delivers what's on the label. The other three are stuck behind your gut.
Format Showdown — % That Actually Absorbs
Estimated bioavailability — how much of the active compound actually reaches your bloodstream after a typical dose.
Gold StandardTincture
Delivery: Sublingual
Sublingual delivery
Sublingual. Bypasses digestion. How a clinical herbalist actually prescribes.
✕ SkipCapsules
Delivery: 30 to 60 min
Gut-degraded
Has to survive stomach acid. Most actives degrade before absorption.
✕ AvoidGummies
Delivery: 45+ min
Sub-clinical dose
Mostly sugar, gelatin, dyes. Dose is too small to do real work.
✕ SkipPowders
Delivery: 30 to 90 min
Oxidizes fast
Oxidizes fast. Hard to dose. Often masked with sweeteners.
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Gold StandardTincture
Delivery: Sublingual
Sublingual delivery
Sublingual. Bypasses digestion. How a clinical herbalist actually prescribes.
✕ SkipCapsules
Delivery: 30 to 60 min
Gut-degraded
Has to survive stomach acid. Most actives degrade before absorption.
✕ AvoidGummies
Delivery: 45+ min
Sub-clinical dose
Mostly sugar, gelatin, dyes. Dose is too small to do real work.
✕ SkipPowders
Delivery: 30 to 90 min
Oxidizes fast
Oxidizes fast. Hard to dose. Often masked with sweeteners.
Format notes are directional; ingredient-specific absorption varies by herb, dose, extract, and user.
Bioavailability ranges from peer-reviewed pharmacokinetic literature on sublingual vs oral delivery. Full citations at /sources.
What makes PLH different
Whole-plant tinctures, not extracts or gummies
Clinical doses of every active
Formulated by a credentialed herbalist
Zero fillers, sugars, dyes, or proprietary blends
Third-party lab tested for purity and potency
Sublingual absorption (active in 60 seconds)
Made in the USA, small batch
Founder-led, women-owned
Real plant medicine. The way a clinical herbalist would prescribe it.