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Limited evidence
Product review

WishGarden Deep Stress Review: What the Research Actually Says

A calm, independent look at WishGarden Deep Stress for adults over 50: what the human research on its calming botanicals shows, realistic expectations, medication interactions, and who should avoid it.

The bottom line

WishGarden Deep Stress is a liquid herbal extract marketed for everyday tension and feeling stretched thin. Some of the botanicals in calming blends like this one — passionflower in particular — have been tested in people, and a few short trials are encouraging. But encouraging ingredient research is not proof that a finished blend works. We could not find a published clinical trial of Deep Stress itself.

So our grade is limited evidence for the product, mixed evidence for one or two of its parts. If you are looking for a gentle, non-drug ritual for ordinary stressful stretches and your clinician agrees it is safe with your medicines, it is a reasonable thing to try. It is not a treatment for anxiety, depression, or any medical condition, and it should never replace care you need.

What the research shows for each ingredient

Grades below apply to the individual herb as studied in research — not to the WishGarden formula as sold. Formulas change, so always read the current label.

Milky oat tops (Avena sativa)

Limited

Traditionally used as a nervous-system tonic. Human trials are few and small, and most look at attention or mood rather than day-to-day stress. There is not enough research to predict how it will feel for any one person.

Motherwort (Leonurus cardiaca)

Limited

Long used in folk practice for tension and palpitations. Controlled human studies are sparse and low quality. Because it may affect heart rate and rhythm, it deserves particular caution if you take heart or blood-pressure medicines.

Skullcap (Scutellaria lateriflora)

Limited

A small number of short human studies report mild improvements in mood or tension scores. Sample sizes are tiny and the preparations differ from product to product.

Passionflower (Passiflora incarnata)

Mixed

One of the better-studied calming herbs. Some small randomized trials report reduced anxiety before medical or dental procedures; others show no clear effect. Findings are short-term and not specific to this blend.

Kava (Piper methysticum), in some calming formulas

Mixed, with a safety warning

Kava has the strongest anxiety research of the calming botanicals, but it also carries reports of serious liver injury and an FDA consumer advisory. Always read the current label; if kava is present, talk with your clinician before using the product at all.

What is realistic to expect

  • A mild, short-lived calm at best. People who respond often describe feeling a little less wound up for an hour or two — not a transformed mood.
  • Nothing at all is a common outcome. With limited evidence, no response is a perfectly normal result and not a personal failure.
  • Doses in tinctures are usually small. A dropperful of a multi-herb extract may deliver far less of any single herb than the amounts used in studies.
  • Stress ratings respond strongly to placebo. That is not a criticism — it simply means small, unblinded studies can overstate how much the herbs themselves are doing.

Medication interactions and safety cautions

  • Sedative stacking. Calming herbs can add to sleep medicines, benzodiazepines, opioids, antihistamines, muscle relaxants and alcohol. After 50, that combination raises the risk of grogginess, confusion and falls.
  • Heart and blood-pressure medicines. Motherwort has traditional uses tied to heart rate and rhythm. If you take beta blockers, digoxin, antiarrhythmics or blood-pressure drugs, check with your pharmacist first.
  • Blood thinners. Several botanicals may affect clotting or interact with warfarin and similar drugs. Ask before combining.
  • Liver safety. Kava-containing products carry an FDA advisory about rare but serious liver injury. Stop and call a clinician for yellowing skin or eyes, dark urine, or unexplained abdominal pain.
  • Alcohol base. Liquid extracts are commonly preserved in alcohol. Avoid if you abstain, have liver disease, or take medicines that interact with alcohol.
  • Surgery. Stop calming herbal products at least two weeks before any planned procedure and tell your surgical team what you take.

Who it may suit — and who should avoid it

May suit: adults dealing with ordinary, situational stress who prefer a non-drug routine, take few or no sedating medicines, and have run it past their clinician or pharmacist.

Should avoid: anyone with liver disease or a history of alcohol use disorder; people taking sedatives, opioids, blood thinners, heart-rhythm or blood-pressure medicines without a pharmacist review; people who are pregnant or breastfeeding; and anyone with a diagnosed anxiety, panic or mood disorder who needs proper treatment rather than a supplement.

Please seek care promptly for panic attacks, thoughts of self-harm, chest pain, or stress that is interfering with eating, sleeping or daily life. In the United States you can call or text 988 for the Suicide & Crisis Lifeline.

Sources and citations

These references describe research on individual ingredients. They do not test the finished product, and they are not evidence that the complete formula works.

  1. 1
    Anxiety at a Glance: What the Science Says

    NIH National Center for Complementary and Integrative Health (NCCIH) · 2024 · Overview of evidence for herbal approaches to anxiety

  2. 2
    Kava: Usefulness and Safety

    NIH National Center for Complementary and Integrative Health (NCCIH) · 2020 · Anxiety findings alongside serious liver-injury reports

  3. 3
    Passionflower — LiverTox: Clinical and Research Information on Drug-Induced Liver Injury

    National Institute of Diabetes and Digestive and Kidney Diseases (NIH) · 2020 · Safety and hepatotoxicity summary

  4. 4
    Passiflora incarnata in the treatment of anxiety: a systematic review of randomized controlled trials

    Journal of Herbal Medicine / PubMed indexed · 2020 · Small short-term trials; evidence rated low certainty

  5. 5
    Preoperative oral Passiflora incarnata reduces anxiety in ambulatory surgery patients: a double-blind, placebo-controlled study

    Movafegh A, Alizadeh R, Hajimohamadi F, et al. · Anesthesia & Analgesia · 2008 · Randomized trial in 60 adults

  6. 6
    Scutellaria lateriflora (American skullcap) enhances mood in healthy volunteers: a randomized, double-blind, placebo-controlled crossover study

    Brock C, Whitehouse J, Tewfik I, Towell T · Phytotherapy Research · 2014 · Small crossover trial; mood measures only

  7. 7
    Leonurus cardiaca (motherwort) oil extract in patients with arterial hypertension accompanied by anxiety and sleep disorders

    Shikov AN, Pozharitskaya ON, Makarov VG, et al. · Phytotherapy Research · 2011 · Open-label study; no placebo control

  8. 8
    Kava Kava — LiverTox: Clinical and Research Information on Drug-Induced Liver Injury

    National Institute of Diabetes and Digestive and Kidney Diseases (NIH) · 2020 · Case reports of severe hepatotoxicity

  9. 9
    Using Dietary Supplements Wisely

    NIH National Center for Complementary and Integrative Health (NCCIH) · 2023 · Interaction, quality and labeling guidance

  10. 10
    Beers Criteria for Potentially Inappropriate Medication Use in Older Adults

    American Geriatrics Society · Journal of the American Geriatrics Society · 2023 · Context for sedating agents in older adults

Evidence grades on this site reflect the strength and consistency of human research: strong, moderate, mixed or limited. Links open in a new tab on the publisher's website.

Medical disclaimer: this article is for general information only and is not medical advice. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Talk with a qualified clinician or pharmacist before starting any supplement, especially if you take prescription medicines.