Two longevity stacks, side by side. IM8 Daily Ultimate Longevity runs 10 ingredients in a daily drink. DoNotAge® Routine runs 15 in a one-a-day sachet. We compared them on the ingredients that matter, the doses, and the evidence.
Two short formulas, compared on the things that decide a longevity stack: the doses, the evidence, and who is behind it.
| Criterion | IM8 Daily Ultimate Longevity | DoNotAge® Routine |
|---|---|---|
| 01 · philosophyDosing philosophyHow the formula spends its finite daily budget. | Focused10 ingredients in one daily drink. | Focused, dose-led15 ingredients, each at the level the research used. |
| 02 · dosesHeadline ingredient dosesNMN · trans-resveratrol · spermidine, per each brand's panel. | NMN 600mgResveratrol 250mg · Spermidine 3mg | NMN 1000mgResveratrol 500mg · Spermidine 8mg |
| 03 · evidenceClinically tested?Has the product been tested in human trials? | ✕ No published studyAdvisory-board endorsements, not a finished-formula trial. | ✓ Tested in an independent human trialNAD+ reported raised. |
| 04 · orgBehind the brandA consumer brand, or a research organisation? | Consumer brand | Health research organisation |
| 05 · breadthTotal ingredientsBoth keep the list short. Count isn't the story here. | 10ingredients | 15ingredients |
| 06 · aminosAmino acidsGlycine in both. Taurine in one. | Glycine 3g · Taurine 2g | Glycine 2g |
| 07 · marketingHow they spend their moneyWhere the budget goes. | Marketing and celeb endorsements | Funding longevity research |
| 08 · priceWhat it costsBased on the recommended daily serving. | $3.47 per serving90 days’ supply, money-back guarantee. | $7 per servingSubscription. Money-back guarantee. |
Doses per each manufacturer's published serving information: IM8 figures from the Daily Ultimate Longevity panel; DoNotAge® from the Routine panel. Pricing shown for orientation and should be confirmed against the current live offer.
Where each formula wins, and where each falls short.
 IM8 Daily Ultimate Longevity |
 DoNotAge® Routine |
|
|---|---|---|
| The pros | Higher amino-acid loadGlycine 3g, taurine 2g. NSF Certified for Sport. A simple, familiar all-in-one with a 90-day guarantee. | Full clinical dosesNMN 1000mg, resveratrol 500mg, spermidine 8mg on the shared ingredients. A human trial reporting raised NAD+. Made by a health research organisation. |
| The cons | Lower headline dosesNMN at 600mg. No published trial on the finished formula. Marketing leans on a celebrity backer. | Premium priceThe pricier of the two. No added taurine, and fewer broad whole-body wellness claims. |
IM8 Daily Ultimate LongevityDoNotAge® RoutineIM8 Daily Ultimate LongevityDoNotAge® RoutineBoth formulas keep the ingredient list short, which leaves room to dose each ingredient at a level that means something. So the question is not how many ingredients. It is how much of each. IM8 Daily Ultimate Longevity and DoNotAge® made the same call on breadth; where they part ways is the amount in every serving.
On the headline longevity ingredients, the ones both formulas build their NAD+ story around, DoNotAge® doses two to three times higher. IM8 answers with a heavier amino-acid load (3g glycine, 2g taurine). But on NMN, trans-resveratrol and spermidine, the compounds most longevity buyers come for, the sachet does more per day.
DoNotAge.org is a health research organisation first and a supplement brand second. The 15-in-1 formula is the output of that programme.
They ran the finished formula through an independent clinical trial, resulting in an average 76% increase in participants' NAD+ levels. NAD+ is one of the most important biomarkers for healthy ageing.
Based on 2 randomised, double blind, placebo controlled clinical trials in healthy adult participants. See full results.
DoNotAge.org make it genuinely easy to speak to a human being on the phone, and they do the reaching out. You are not lodging a ticket and waiting.
IM8 offer no way to book a call, and their reviews note that customer service is not always helpful.
They call you. No ticket, no queue, no chasing.
Questions answered directly. Dosing, timing, stacking, straight from the source.
The premium, made tangible. Part of what you are paying for is being treated like a person.
After a head-to-head against IM8 Daily Ultimate Longevity, our pick is DoNotAge®. Both brands made the same smart call and kept the formula short. The difference is what happens next: on the headline longevity ingredients the two share, DoNotAge® doses two to three times higher, and it is the only one of the pair with a published independent clinical trial. It is the more premium option of the two.
"Two short formulas. Only one doses the headline ingredients properly. That's the difference."
Money-back guarantee. Free shaker. Box for life. If the formula doesn't move your NAD+, neither does your money.
