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🧪 Claims, Examined · 2026The 2000 mg blend, the 48 mg of caffeine, the cost per serving against ordinary coffee, and what the FDA lets the label say. We have not tested it.
Written and reviewed by the CoffeeLabAdvisor editorial team · Published 30 September 2026
RYZE publishes more of its numbers than most of the category, which makes it the easiest one to judge on facts. Its listing states 2000 mg per serving of six mushrooms — cordyceps, reishi, king trumpet, shiitake, turkey tail and lion’s mane — and 48 mg of caffeine, roughly half the USDA figure for a cup of brewed coffee. At $44.99 for 30 servings that is about $1.50 a cup, against roughly 25 to 40 cents for ordinary coffee brewed at home. We have not tested it and make no claim about whether it does anything; what follows is what the label says and what the law requires of it.
RYZE is unusual in this category for putting its dose and its caffeine on the listing rather than leaving both to be inferred. Taken from its own wording:
That 2000 mg figure is the highest per-serving dose among the products we have catalogued, and by some distance — the comparison is here. Whether a higher dose is a better product is not something we can tell you. That it is a higher dose is simply what the labels say.
48 mg against the USDA’s roughly 95 mg for a cup of brewed coffee. If the reason you are looking at this is that coffee makes you jittery, that halving is the most concrete thing on the label and it is verifiable arithmetic rather than a claim about wellbeing.
The same number explains the most common complaint. People who switch expecting their usual morning lift do not get it, and reach for a second cup — at which point they are drinking 96 mg for three dollars rather than 95 mg for thirty cents.
At the 30-serving price this works out around $1.50 a serving. The 60-serving kit is the one to compare on cost per cup rather than sticker price, which is the usual pattern in this category.
For context, coffee brewed at home from a bag on our bean roster generally lands between 25 and 40 cents a cup. So this is roughly four to six times the cost of the drink it replaces, before any judgement about whether the mushrooms are doing anything.
That is not an argument against it — plenty of people pay more than that for a coffee they walk past a machine to buy. It is the number that ought to be in front of you when the subscription renews.
RYZE’s listing describes its six mushrooms as traditionally used in wellness practices and favoured by people looking for particular effects. That phrasing is doing careful work, and the rules behind it are public.
A seller may make a structure/function claim about how an ingredient affects the body, provided it holds substantiation, notifies the FDA within 30 days of first marketing, and — on a dietary supplement — carries the boldface disclaimer that the FDA has not evaluated the statement and the product is not intended to diagnose, treat, cure or prevent any disease. The FDA is explicit that such a claim may not link the effect to a disease.
So a phrase like traditionally used is not a weaker way of saying clinically shown. It is a different kind of statement altogether, and it is the kind the law permits without a trial behind it. Our category guide sets out the rules in full, including the conventional-food gap that decides whether the disclaimer is required at all.
We have not tasted it, tested it, or measured anything in it, and this page makes no health claim in either direction. Nothing here is a verdict, because we have not done the work that would earn one — the evidence tiers explain what we do claim and when.
What the page gives you is the three figures RYZE publishes, the caffeine comparison against a cup of coffee, the cost per serving, and the regulatory footing the wording stands on. If you buy it after reading that, you will at least know what you bought.
Both RYZE sizes, and the two brands whose listings publish enough detail to compare against it. Each fact is the listing’s own statement, read on the date shown.
The category’s best-known brand, and the one that publishes both its mushroom dose and its caffeine figure on the listing. Listing states six adaptogenic mushrooms — cordyceps, reishi, king trumpet, shiitake, turkey tail and lion’s mane — at 2000 mg per serving, and 48 mg of caffeine per serving.
Check price on Amazon →The same blend in the larger kit — the size to compare on cost per serving rather than on sticker price. Listing states the same signature blend at 2000 mg per serving of six mushrooms and 48 mg of caffeine per serving, in a 60-serving kit.
Check price on Amazon →
Ground coffee rather than instant, and a published per-mushroom dose you can compare directly against the others. Listing states 250 mg of organic lion’s mane and 250 mg of wild-harvested chaga per serving, in organic ground coffee.
Check price on Amazon →
The one that states fruiting body rather than mycelium — a distinction the page below explains, because it changes what you are buying. Listing states lion’s mane and chaga described as 100% fruiting body, with grass-fed collagen and L-theanine added.
Check price on Amazon →RYZE states 48 mg per serving. The USDA figure for a cup of brewed coffee is about 95 mg, so it is roughly half.
Its listing states 2000 mg per serving across six mushrooms: cordyceps, reishi, king trumpet, shiitake, turkey tail and lion’s mane. That is the highest per-serving dose among the products we have catalogued.
Around $1.50 a serving at the 30-serving price, against roughly 25 to 40 cents for coffee brewed at home. The larger kit is the one to compare on cost per serving.
No. We have not tasted it, tested it or measured anything in it, and this page makes no health claim. It sets out what the listing states and what the FDA rules require of that wording.
We cannot tell you that. What the labels show is that RYZE states a much larger dose than the others we hold — 2000 mg against 500 mg for two of them — and publishes its caffeine figure, which several do not.
Sources for this page: FDA, Structure/Function Claims, fda.gov/food/nutrition-food-labeling-and-critical-foods/structurefunction-claims, read 2026-09-30 · FDA, Label Claims for Conventional Foods and Dietary Supplements, fda.gov/food/nutrition-food-labeling-and-critical-foods/label-claims-conventional-foods-and-dietary-supplements, read 2026-09-30 · The disclaimer requirement and its wording: 21 U.S.C. 343(r)(6)(C) and 21 CFR 101.93(b)-(d), as set out on the FDA pages above · FDA, Questions and Answers on Dietary Supplements, fda.gov/food/information-consumers-using-dietary-supplements/questions-and-answers-dietary-supplements, read 2026-09-30 · Caffeine in brewed coffee: USDA FoodData Central, the same figure used on our espresso caffeine page · Product claims: the wording of each product's own Amazon listing, read 2026-09-30 and attributed to the seller · We have not tested any product on this page and it makes no health claims. Where an effect is described, it is described as the seller’s claim. We have not lab-tested brewers; where a figure is a manufacturer's, the page names the manufacturer, and machine capabilities come from our own published review records.