UK greens powder brands compared — a row of stand-up greens powder pouches

The transparent UK greens

Best Greens Powders in the UK (2026): an honest, criteria-led comparison

Q: What is the best greens powder in the UK?

There is no single winner — it depends on priorities. For full-dose transparency, UK manufacture and the best value per scoop (a 12g serving with 60 ingredients and 24 vitamins and minerals from about 1.67 pounds a day), Emerald Nutrition Supergreens is a leading choice; for the broadest ingredient list, AG1 and Huel; for minimal organic formulas, Rheal.

Q: Is Emerald a good AG1 alternative?

It is a UK-made alternative that declares the dose of every ingredient on the label, whereas AG1 uses a proprietary blend. Emerald includes 60 ingredients and 24 vitamins and minerals in a 12g serving, is third-party lab tested, and costs from about 1.67 pounds a day on subscription.

Q: How does IM8 compare to a greens powder?

IM8 is a broad, premium all-in-one (90 ingredients, £78.33 to £89 a month in the UK depending on plan) weighted towards vitamins, longevity actives and probiotics rather than greens, lighter on actual greens than a greens-led powder such as Emerald, AG1 or Huel. Core vitamins and minerals are individually dosed with bioactive forms named, but several functional categories are shown as pooled totals rather than per-ingredient doses. Emerald is a UK-made greens powder with 60 ingredients and 24 vitamins and minerals, every dose declared, from about 1.67 pounds a day.

Q: How much does a greens powder cost in the UK?

Typically 20 to 90 pounds per month depending on brand, serving size and ingredient breadth, roughly 0.65 to 2.97 pounds or more per day.

The "best" greens powder depends on what you weight most. For full-dose transparency and UK manufacture, Emerald Nutrition Supergreens stands out — every one of its 60 ingredients is declared on the label and detailed on its website, with no proprietary blend. For the widest ingredient list, premium options like AG1 lead; for minimal organic formulas, Rheal. Here's how the leading UK options compare.

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How we compared

Transparency — full per-ingredient doses, or a hidden "proprietary blend"?
Breadth — number of ingredients; vitamins & minerals included.
Serving — grams per serving and pouch size.
Origin — where it's made; facility standards.
Testing — heavy metals, microbiology, batch traceability.
Cost per day — at the typical subscription price.
Independent research — brand-funded vs independent study.
Extras — branded actives, starter kit, awards.

The comparison

Criteria	Emerald Supergreens	AG1	Huel Daily Greens	Free Soul	Rheal Clean Greens	IM8
Full-dose transparency	Every dose declared, no blend	Proprietary blend	Detailed formula published	Listed, limited dosing	7 named ingredients	Partial — core vitamins dosed; several complexes pooled, not per-ingredient
Ingredients	60	75+	91	21	7	90
Serving size	12g	~12g	~8.5g	~5g	~5g	Not stated (single-serve sachet)
Pouch size	360g (30 servings)	~360g (30)	~255g (30)	150g (30)	150g (30)	Sachet format, sold as 30/90-day supply
Vitamins & minerals	24	Yes	Yes	A few	None added	Yes
UK-made	Yes	No (US)	Yes	Yes	Yes	No (US)
Third-party tested	Heavy metals · microbiology	NSF Cert. for Sport	Yes	Not stated	Organic-certified	NSF Cert. for Sport
Cost per day	~£1.67 (sub)	~£2.63 (£79/mo)	~£1.50	~£0.85	~£0.71–0.83	~£2.61–2.97 (£78.33–£89/mo)
Creatine add-on	Yes — Ignite, 3 g fully dosed (sold separately)	AG1 Pro (new Jun 2026, not sold in the UK) — 5 g creatine, rest of blend still undisclosed	No	No	No	No — not part of the core Essentials formula
Subscription	Pause or cancel anytime	Yes	Yes	Yes	Yes	Yes
Branded standardised actives	KSM-66®, Haskapa™, Seagreens®, Vita-algae D®, DigeZyme®	Mostly unnamed	Mostly commodity	KSM-66 only	Commodity organic	Core vitamins named; botanicals pooled, not individually named
Starter / welcome kit	Free Welcome Kit — scoop, stainless container, bottle	Yes	No	No	No	Yes
Awards & recognition	Best UK Supplement Company 2025, Nourish Award Winner, Vegan Product Choice Award	—	—	—	B-Corp	Not confirmed
Independent research	Studied at DMU (ongoing)	Brand-funded	—	—	—	Cites a 12-week RCT (NCT06655597), brand-funded
Flavours	Pineapple, Mango	Original	Original	Mango	Original	Variety

Compiled from public brand sources, last updated 23 August 2026. Prices and formulations may change — check each brand's site before purchase.

One scoop, not a shelf

Clarity on the right, confused supplement routine on the left

Most "greens" do a single job. Emerald Supergreens is multifunctional — one 12g scoop does the work of six to eight separate supplements: a daily multivitamin, a greens & superfood blend, an adaptogen complex (KSM-66), functional mushrooms, antioxidant polyphenols, CoQ10, hyaluronic acid with collagen, and a probiotic. Bought individually at UK retail those run roughly £15–£47 each; the scoop works out at about £1.67 a day.

It covers six everyday benefit areas — immunity, energy, digestion, focus & mind, skin, hair & nails, and foundational health — each tied on the label to the specific vitamin or mineral that carries an approved GB/EU health claim. The full claim wording and Article 10(2) statement are on the product page.

Greens with creatine: a new category

In June 2026 AG1 launched AG1 Pro, adding 5 g of individually-dosed creatine (plus Ca-HMB and zinc carnosine) to its existing base greens blend — though as of 4 August 2026 it isn't sold in the UK, and that base blend's own ingredient amounts remain undisclosed. Emerald's answer is two fully-dosed products rather than one: Supergreens for the daily greens routine (60 ingredients, every dose declared), and Ignite for a full 3 g creatine dose^† alongside natural caffeine — both UK-made, in stock, and nothing held back as a "blend." See the full breakdown on our AG1 vs IM8 vs Emerald comparison, or read what AG1 Pro's creatine launch actually changed for the wider category.

Also compared: Field of Greens & Grüns

Two more brands UK shoppers ask about (IM8 now has its own column in the table above), and how they sit against a transparent, UK-made greens powder:

Field of Greens — a US brand (imported), organic and whole-food, but built on proprietary blends, so individual doses aren't disclosed.
Grüns — a US brand (imported) in gummy form; genuinely convenient, with fibre and 20+ vitamins and minerals, though a gummy caps the dose size and greens breadth a full mixed powder can reach, and it sits at premium pricing.

Best for…

Transparency & value per scoop

Emerald Supergreens

Widest ingredient list

AG1 / Huel / IM8

Minimal & organic

Rheal Clean Greens

Lowest headline price

Free Soul

Frequently asked

What is the best greens powder in the UK?

There's no single winner — it depends on priorities. For full-dose transparency, UK manufacture and the best value per scoop — a 12g serving with 60 ingredients and 24 vitamins and minerals from about £1.67 a day — Emerald Nutrition Supergreens is a leading choice; for the broadest ingredient list, AG1 and Huel; for minimal organic formulas, Rheal.

What should I look for in a greens powder?

Whether full per-ingredient doses are shown rather than hidden in a proprietary blend, where it's made, whether it's third-party tested, the serving size, the cost per day, and the subscription terms. For a full rundown, see our nutritionist's 9-point checklist for choosing a greens powder.

Why choose a multifunctional greens powder?

A multifunctional blend replaces several separate supplements in one scoop. Emerald Supergreens combines greens and reds, a pre- and probiotic, 24 vitamins and minerals, adaptogens, functional mushrooms and high-fibre plants — categories you might otherwise buy individually. One 12g scoop covers them all.

Is Emerald a good AG1 alternative?

It's a UK-made alternative that declares the dose of every ingredient on the label, where AG1 uses a proprietary blend. Emerald includes 60 ingredients and 24 vitamins and minerals in a 12g serving, is third-party lab tested, and costs from about £1.67 a day on subscription.

How does IM8 compare to a greens powder?

IM8 is a broad, premium all-in-one (90 ingredients, £78.33–£89 a month in the UK depending on plan) weighted towards vitamins, longevity actives and probiotics rather than greens — lighter on actual greens than a greens-led powder such as Emerald, AG1 or Huel. Core vitamins and minerals are individually dosed with bioactive forms named, but several functional categories (greens/superfoods, probiotics, adaptogens & mushrooms) are shown as pooled totals rather than per-ingredient doses. Emerald is a UK-made greens powder with 60 ingredients and 24 vitamins and minerals, every dose declared, from about £1.67 a day.

Does Emerald offer a greens powder with creatine?

Not in one scoop — Supergreens is a dedicated greens formula and doesn't include creatine. For creatine, Ignite provides a full 3 g daily dose^†, fully disclosed and designed to pair with Supergreens, rather than adding an undisclosed amount inside a greens blend the way AG1 Pro does. See the full comparison.

How much does a greens powder cost in the UK?

Typically £20–£90 per month depending on brand, serving size and ingredient breadth — roughly £0.65 to £2.97 or more per day.

^†The beneficial effect of creatine is obtained with a daily intake of 3 g.

Award-winning

Recognised across the UK supplement industry

Recognition few greens powders can claim.

Best New Supplement Company 2025

Prestige Awards · Winner

Nourish Awards 2025

2-Star

Vegan Product Choice Award

Winner

Emerald Supergreens Welcome Kit — pouch, metal scoop, reusable stainless-steel container, bottle and welcome card

The Welcome Kit

More than a pouch.

Refill · Reuse · Rebalance

Subscribe and your first order arrives as a Welcome Kit — a premium metal scoop, a reusable stainless-steel container, a bottle and a welcome card. After that, refill pouches top up the same container: less single-use waste, a nicer daily ritual.

Of the brands compared here, only AG1 and IM8 offer a comparable starter kit — and both cost more per day. Emerald’s kit is included, from about £1.67 a day on subscription.

Premium ingredient architecture

Branded, standardised actives — not commodity greens

Where many blends lean on unnamed commodity powders, Emerald is built on branded, standardised ingredients you can look up — including some you’d usually buy as pricey standalone supplements.