Greens powders are sold almost entirely on two things: a large number of ingredients, and a photograph of kale. Neither tells you much.
I sell one, so weigh that as you read. What I can offer is the three checks that genuinely separate a good greens blend from an expensive one — and one of them is a difference you can see on the label in seconds.
First, why the ingredient count means something different here
We have argued elsewhere that a multivitamin boasting fifty nutrients is usually telling you very little, because vitamins and minerals have reference values and a 15% threshold below which they cannot legally claim anything.
Whole foods are a different case. There is no NRV for kale, spirulina or beetroot, so the count is not making a dose claim — it is describing variety. And variety is the honest reason to take a greens powder: not because any one ingredient is remarkable, but because getting forty plants into a week is genuinely difficult and getting them into a scoop is not.
So a long list here is a fair thing to advertise. What matters is what is in it, and whether the seller will tell you.
Check one: is it certified organic, or just described as natural?
This is the check most worth making, and it takes seconds.
“Natural” and “clean” are words anybody may print. Organic certification is a licensed, audited standard with a code on the pack — ours is Soil Association, GB-ORG-05. It covers how the ingredients were grown and handled, and it is checkable.
It matters more for greens than almost any category, because a greens powder is concentrated plant material eaten daily. You are consuming a great deal more kale than you would ever eat as kale.
Look for the code. If a product says organic without one, ask why.
Check two: what kind of mushrooms?
Most greens blends now include mushrooms, and this is where the biggest quality difference in the category hides.
Fruiting body is the mushroom itself — the part you would recognise. Mycelium is the root-like network, usually grown on a grain substrate and sold with the grain still in it. A mycelium-on-grain powder can be substantially grain by weight, which is not what most people think they are buying.
A good label states which. Ours declares fruiting body against all six — reishi, shiitake, maitake, chaga, cordyceps and lion's mane. There is a fuller explanation of the difference here.
If a greens powder lists mushrooms without saying which part, that is the single most useful question you can ask the seller.
Check three: does the label tell you what it cannot tell you?
Almost every greens powder on the market, ours included, uses a proprietary blend — the ingredients are listed in order but the individual weights are not declared. That is standard practice for a forty-ingredient formula and there are sound commercial reasons for it.
The difference between sellers is whether they say so.
We state it plainly on the product page and in the ingredients tab, because we would rather tell you than let you assume there is a breakdown somewhere you have not found. A seller who leaves you to work it out is making a choice about how much you are trusted.
Check four: what is it actually allowed to claim?
Here is the thing nobody mentions. Kale, spirulina, chlorella, wheat grass and beetroot carry no authorised health claims in Great Britain. Nor do any of the mushrooms.
So a greens powder promising to alkalise you, detoxify you or boost your immunity is operating outside the rules, and it is worth wondering what else that seller is relaxed about — sourcing, testing, allergen declaration.
Where a greens powder can claim something is where it contains a nutrient at a meaningful level. Ours carries food-form vitamin C from the fruit ingredients at 23% NRV per serving, and vitamin C contributes to the reduction of tiredness and fatigue and to the normal function of the immune system. It is also high in fibre at 17.1g per 100g, and barley grain fibre contributes to an increase in faecal bulk.
Those are real, specific and permitted. A seller with claims like these available who reaches for “alkalising” instead has made a choice.
Check five: will you actually drink it?
The most expensive greens powder is the one in the back of the cupboard.
Unsweetened whole-food greens taste green. Products that taste of nothing have usually been sweetened, flavoured or diluted to get there. Be honest with yourself about which you will keep taking — and know that the same blend in capsule form is an option if the taste is the obstacle.
Our recommendation
Organic Daily Greens is forty Soil Association certified organic ingredients in a 15g scoop — greens and grasses, fruits and berries, vegetables, herbs and seeds, plus six mushrooms, every one fruiting body.
The vitamin C is food-form, from the fruit ingredients themselves rather than added ascorbic acid, and our label states that explicitly. High in fibre at 17.1g per 100g. No artificial colours, preservatives, fillers, binders, added sugar or sweeteners.
300g, 20 servings, £24.99. Vegan, Halal and Kosher certified, blended and packed in the UK. Contains gluten from the barley and wheat grass, and naturally occurring sulphites — both declared on the pack.
It goes better into juice or a smoothie than into plain water, which is the honest instruction and the one that gets people through the tub.
Always read the label. Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle.
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