Written by Barry Lees, Founder of The Health Improvers. Reviewed 2 August 2026.
Wormwood, black walnut and clove are the ingredients most closely associated with herbal “cleanse” formulas, but there is no standard recipe. Other products use pumpkin seed, garlic, oregano, olive leaf, chicory, grapefruit seed or longer botanical blends. The useful comparison is what is actually declared—not the number of herbs or the word “cleanse”.
Commercial disclosure: We sell a 15-botanical complex containing several ingredients discussed below. It does not contain wormwood or black walnut. This guide describes label identity and safety checks; it does not assign disease-treatment effects to any herb.
Before reading ingredient lists: a suspected worm infection belongs with a pharmacist or GP. Herbal supplements are not deworming medicines.
Common cleanse-formula ingredients compared
| Ingredient | What the name means | Useful label check |
|---|---|---|
| Wormwood | Artemisia absinthium, an intensely bitter herb. | Species, plant part, powder or extract, amount and product-specific warnings. |
| Black walnut | Usually black walnut hull, commonly Juglans nigra. | Species, hull versus leaf, amount and allergen statement. |
| Clove | The aromatic flower bud of Syzygium aromaticum. | Whole powder, extract or oil; these forms are not weight-for-weight equivalents. |
| Pumpkin seed | Seed powder or concentrated seed extract. | Actual extract weight versus starting-material equivalent. |
| Garlic | May be standard garlic, aged garlic or black garlic. | Form, amount and any standardised constituent rather than treating all garlic products as identical. |
| Oregano and thyme | Culinary herbs supplied as leaf powder, extract or oil. | Plant part and form; an essential oil is not comparable with a leaf-powder milligram figure. |
| Olive leaf | Powder or extract from Olea europaea leaves. | Extract ratio or equivalent and, where given, the amount of oleuropein. |
| Grapefruit seed | An extract made from grapefruit seed and related material. | The exact ingredient specification and the finished product’s medication warning; do not assume it is chemically identical to grapefruit juice. |
Why are wormwood, black walnut and clove so common?
The trio has a long-standing place in commercial herbal-cleanse protocols and became widely repeated in books and online routines. Its popularity explains why shoppers recognise it, but popularity is not evidence that the combination treats an infection.
Products may put the three herbs in one capsule, sell them as separate bottles or use them in a tincture. The form changes the quantities and instructions, so front-of-pack ingredient names alone are not enough for comparison.
What should a wormwood label tell you?
“Wormwood” should ideally be accompanied by the botanical name Artemisia absinthium, the plant part, the preparation and the amount. It should not be confused with every other Artemisia species.
Wormwood naturally contains compounds including thujone, and concentrated preparations require careful formulation and clear warnings. Follow the specific product directions. Do not copy a dose or duration from another product, and ask a pharmacist or doctor before use if you are pregnant, breastfeeding, take medicines or have a health condition.
Is black walnut a nut-allergy issue?
Black walnut is usually declared as hull or leaf from Juglans nigra. Anyone with a diagnosed nut allergy should not infer safety from the plant part or the word “extract”; check the product’s allergen statement and seek individual advice where necessary.
A label saying “black walnut complex” without a plant part, form or individual amount gives little basis for comparison.
Why does ingredient form matter?
Powders, concentrated extracts, oils and tinctures can all appear under the same familiar plant name. For example, 100mg of oregano leaf powder is not equivalent to 100mg of oregano essential oil, and a 10:1 extract is not compared by ignoring its concentration.
Look for:
- the botanical and common name;
- the plant part used;
- whether it is a powder, extract, oil or tincture;
- the amount of material actually present;
- any raw-material equivalent or extract ratio;
- standardised constituents, where relevant;
- the daily intake on which the figure is based.
What does “equivalent to” mean?
An extract can be concentrated from a larger amount of starting plant. If a label says an extract is “equivalent to 200mg pumpkin seed”, the 200mg describes the starting-material equivalent; it is not necessarily the physical weight of extract inside the capsule.
That declaration can be useful, but only when compared with another figure stated on the same basis. Our line-by-line supplement-label guide explains this distinction in more detail.
Are proprietary blends useful?
A proprietary blend may give one total—for example, 1,400mg—followed by a list of nine herbs. That tells you the combined weight but not how much of each plant is included. It therefore prevents a proper ingredient-by-ingredient comparison.
A longer list is not automatically stronger. If the total capsule space is divided between many plants, some may be present only in small supporting quantities.
Can these ingredients make parasite claims?
A commercial food supplement in Great Britain must not claim or imply that it treats, prevents or cures a parasitic infection. General health claims also need an appropriate authorised specific claim and must meet the relevant conditions of use.
Traditional use, laboratory research and the presence of a plant compound do not independently authorise a seller to say the finished capsule kills worms, clears parasites or detoxifies the colon.
What is in our Deep Botanical Complex?
Our Deep Botanical Complex takes a different label approach from the classic three-herb formula. It contains 15 botanicals and does not contain wormwood or black walnut.
Each capsule declares:
- pumpkin seed extract equivalent to 200mg;
- olive leaf extract equivalent to 133mg, providing 1.33mg oleuropeins;
- chicory root 120mg;
- black garlic, cayenne and Ceylon cinnamon equivalents of 100mg each;
- clove bud 80mg and grapefruit seed extract equivalent to 75mg;
- fenugreek equivalent to 50mg;
- aniseed, oregano and shiitake fruiting body at 25mg each;
- konjac 20mg, lapacho inner bark 15mg and thyme leaf 10mg.
The benefit of that presentation is transparency: individual quantities and extract equivalents can be read directly. It does not turn the blend into a treatment or show that more ingredients are better.
Seven checks before buying a botanical blend
- Are every ingredient and plant part named?
- Are individual quantities shown, or only a blend total?
- Are extract ratios and raw-material equivalents explained?
- Is the amount stated per capsule, serving or maximum daily intake?
- Does the label include relevant allergens and warnings?
- How many days does the bottle last at the labelled intake?
- Does the seller avoid disease-treatment and unsupported detox claims?
Safety
Botanical supplements can interact with medicines or be unsuitable during pregnancy, breastfeeding or for particular health conditions. Follow the finished product’s label rather than constructing your own protocol from individual internet sources. The Food Standards Agency advises speaking to a GP or pharmacist before using a supplement if any of those circumstances apply.
If you suspect a worm infection, see What Is a Parasite Cleanse? for the appropriate NHS route.
Sources and review method
- NHS: Worms in humans
- GOV.UK: Food supplements guidance
- GOV.UK: Supplement labelling and health claims
- ASA/CAP: Detoxing claims
- Our guide to GMP, ISO 22000 and HACCP terminology
We reviewed current government guidance, NHS advice and the product quantities used in our own formula on 2 August 2026. This is a label guide, not evidence that a botanical treats infection.
Important: This article is general information, not medical advice. Always read the finished product label. Food supplements are not substitutes for a varied, balanced diet and healthy lifestyle.
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