Ashwagandha KSM-66 UK – ZenBlend Adaptogen Complex 90 Caps

Not all ashwagandha is the same, and the difference is worth understanding before you buy. Most cheap ashwagandha supplements use whole-plant extracts that include the leaves, where withanolide content is inconsistent. ZenBlend uses KSM-66® at 400mg per capsule — a full-spectrum, root-only extract produced without alcohol or chemical solvents. Around it sits a full botanical stack: cordyceps and reishi mushrooms, Panax ginseng, Peruvian maca, schisandra, gotu kola, liquorice, turmeric and black pepper, with four B vitamins carrying EU-authorised claims. Every dose declared.

Why KSM-66 Rather Than Generic Ashwagandha

Ashwagandha's characteristic compounds are withanolides, and their concentration varies depending on which part of the plant is used and how it is extracted. KSM-66® is derived from the root only — not the leaves — using a process that uses no alcohol and no chemical solvents. It is the form used in the majority of published ashwagandha research, which is why formulators treat it as the reference standard.

If a brand simply says "ashwagandha extract" without naming the ingredient or stating the dose, you have no way of knowing what you're taking. ZenBlend names it and gives you the number: 400mg equivalent per capsule.

How Other UK Ashwagandha Supplements Compare

Holland & Barrett Ashwagandha — generic extract, single ingredient. Widely available and inexpensive, but typically a generic ashwagandha extract with no branded ingredient named, no botanical stack and no halal approval.

Wild Nutrition KSM-66 Ashwagandha Plus — genuine KSM-66, premium price. A well-formulated product using the same branded ashwagandha, paired with magnesium. Considerably more expensive, a narrower formula, and no halal or kosher approval.

Bulk / MyProtein Ashwagandha — commodity extract, no stack. Cheap single-ingredient capsules with no branded extract stated, no supporting botanicals or vitamins, and no halal approval.

What's in Every Capsule — All Doses Declared

EU-authorised vitamin claims:

• Vitamin B12 — 25µg (1000% NRV) · contributes to normal psychological function, normal nervous system function, normal red blood cell formation, normal immune function and the reduction of tiredness and fatigue
• Vitamin B3 (niacin) — 20mg (125% NRV) · contributes to normal psychological function, normal energy-yielding metabolism, normal nervous system function and the reduction of tiredness and fatigue
• Vitamin B5 (pantothenic acid) — 10mg (168% NRV) · contributes to normal mental performance, normal energy-yielding metabolism, the normal synthesis and metabolism of steroid hormones, vitamin D and some neurotransmitters, and the reduction of tiredness and fatigue
• Vitamin B6 — 2mg (143% NRV) · contributes to the regulation of hormonal activity, the normal function of the immune system, normal energy-yielding metabolism and the reduction of tiredness and fatigue

The botanical stack — every dose declared:

• Ashwagandha root KSM-66® — 400mg equivalent · Withania somnifera · full-spectrum root-only extract, produced without alcohol or chemical solvents
• Cordyceps mushroom — 200mg equivalent · Cordyceps sinensis · fruiting body extract
• Panax ginseng — 200mg equivalent · root extract
• Peruvian maca root — 200mg equivalent · Lepidium meyenii · root extract
• Liquorice root — 100mg equivalent · Glycyrrhiza glabra · deglycyrrhizinated (DGL) extract
• Black pepper — 52mg equivalent · Piper nigrum · extract
• Reishi mushroom — 25mg equivalent · Ganoderma lucidum · fruiting body extract
• Schisandra chinensis — 25mg · berries powder
• Gotu kola — 5mg equivalent · Centella asiatica · extract
• Turmeric root — 5mg · Curcuma longa · powder

90 capsules in an HPMC capsule shell, in a base of stoneground brown rice flour. Vegan. Vegetarian. Halal approved. Kosher approved. UK made.

Sourcing note: the ashwagandha does not originate from the UK. The product is manufactured in the UK.

Every capsule is: ✓ KSM-66® 400mg · ✓ 10 botanicals, doses declared · ✓ Halal & kosher approved · ✓ Vegan · ✓ UK made

ZenBlend vs Other UK Ashwagandha Supplements

Based on publicly available product information. Prices approximate. Always verify current specs on manufacturer websites.

How to Take Your Ashwagandha

Take 1 capsule, one to three times per day, or as required. At one capsule a day the 90-capsule pot lasts three months.

Important cautions: avoid during pregnancy and breastfeeding. Speak to your GP before use if you take any prescription medicine, particularly thyroid, sedative or immunosuppressant medication, or if you manage a thyroid condition. This formula contains liquorice root as a deglycyrrhizinated (DGL) extract, meaning the glycyrrhizin has been largely removed — but if you have high blood pressure or kidney disease, check with your GP before taking any liquorice-containing product.

For an evening formula, see BioSnooze, which uses the same KSM-66® extract. For a dedicated mushroom complex, Bio Mushroom Boost adds reishi, chaga, maitake and lion's mane.

Is This You?

• You want KSM-66® specifically — the branded, root-only extract — at a declared 400mg rather than an unnamed generic
• You want the B vitamins that carry authorised claims for psychological function, mental performance and tiredness and fatigue
• You'd rather have the full botanical stack — cordyceps, reishi, ginseng, maca, schisandra — than ashwagandha alone
• You need halal and kosher approved — H&B, Wild Nutrition and Bulk carry neither
• You want every botanical dose printed rather than hidden in a proprietary blend

Explore the full Energy & Focus UK and Halal Vitamins UK collections.

Questions We Get Asked

Food supplements should not replace a varied diet or healthy lifestyle. Avoid during pregnancy and breastfeeding. Contains liquorice. Consult your GP before use if taking prescription medication, if you have high blood pressure or kidney disease, or if you manage a thyroid condition.