Uthful vs IM8: A comparison for adults 35+

Updated February 2026

IM8 and Uthful are both positioned as premium daily supplements, but they are built with very different philosophies. With over 90 ingredients, IM8 focuses on micronutrient density, while Uthful focuses on daily performance, vitality, and longevity for people over 35, with fewer ingredients, more specifically targeted and at higher doses.

IM8

• High-density vitamin and mineral formulation
• Designed to cover micronutrient gaps
• Less emphasis on energy systems or longevity compounds

Uthful

• Designed specifically for people aged 35+, performance and healthy aging
• Includes NMN, spermidine, magnesium, electrolytes, and cognitive support
• Built for how busy people train, work, and recover as they get older

Why these two are often compared

Both IM8 and Uthful sit at the premium end of the daily supplement market. Both are positioned as “do-it-once-a-day” habits. The difference lies in what problem they believe they are solving. IM8 aims to ensure micronutrient sufficiency. Uthful aims to support how people feel and perform as they age. 

Uthful vs IM8 - Summary Comparison

How the experience differs

IM8 users often describe it as a nutritional foundation, however, despite its 90+ ingredients, many subscribers still add magnesium, electrolytes, longevity compounds, or performance supplements on top, adding cost and reducing convenience.

Uthful is intentionally designed to reduce stacking, combining longevity, performance, hydration, recovery and focus into one daily blend. This makes it particularly appealing to people who want fewer products, not more

Ingredient Philosophy

IM8 is impressive for its micronutrient completeness. Uthful takes a different view:

• Fewer ingredients
• Higher relevance to energy, focus, recovery, and aging
• Ingredients chosen for felt benefits, not just nutritional completeness

For example:

• IM8 does not include NMN or spermidine
• IM8 does not provide electrolyte support
• IM8 does not focus on nervous system calm or hydration

Daily use reality

In addition to IM8, many of its users still stack magnesium, electrolytes, performance or longevity supplements like NMN, spermidine, etc. Adding cost. 

Uthful is designed to reduce stacking, simplifying the morning routine with a more focused and comprehensive formula aimed at helping people feel sharp and energised today, while aging healthily. Uthful’s philosophy centres on getting most of your nutrients from a healthy, balanced diet, and only supplementing what people are typically deficient in or when it’s not practical to get nutrients in meaningful doses from food

Verdict

IM8 is a solid option for people who want maximum micronutrient density, particularly if they struggle to eat healthily. For most adults aged 35-65 who want energy, clarity, recovery, and longevity support in one convenient daily drink, Uthful is the more practical and targeted choice.

IM8 positions itself as another premium daily micronutrient blend. It leans into the idea that more vitamins, minerals, adaptogens, probiotics, and botanical mixes create a comprehensive daily solution. On paper, a long ingredient list feels impressive, but impressive isn’t the same as effective for your lived experience. Uthful’s philosophy rejects the “kitchen sink” approach not because breadth is inherently bad, but because it believes people should aim to get most of their nutrients from a good diet, and only supplement real deficiencies seen in everyday adults.

From the outset, Uthful was conceived with precision: what do people aged 35 and older actually struggle with? Not abstract wellness goals, but real-world frustrations – mid-afternoon energy crashes, slower recovery, diminishing focus, restless nights, and stubborn deficiencies like vitamin D3. 

This perspective was shaped by its founder’s own journey and reinforced by thousands of client interactions with a practicing nutritional therapist. That grounded understanding drove the choice to include compounds with strong mechanistic backing and meaningful dosing, like NMN for cellular NAD+ levels, spermidine for autophagy pathways, and dual-form magnesium for recovery and calm focus, rather than spreading formulas thinly across dozens of low-impact ingredients.

IM8’s strength is micronutrient density; there’s no question it’s comprehensive. But micronutrient density alone doesn’t equate to felt improvements in energy, recovery, or daily resilience. Many users find themselves stacking additional supplements alongside IM8 (magnesium, electrolytes, nootropics) at additional cost and hassle, because a broad blend doesn’t directly target the metabolic systems that falter with age. 

Uthful, meanwhile, focuses on functional integration – supporting metabolic energy, cellular repair, hydration balance, neurotransmitter support, and longevity pathways – not simply covering every nutrient in existence. 

This approach isn’t accidental. It’s rooted in the conviction that supplementation should elevate your baseline, not be a proxy for lifestyle gaps. Uthful’s blend complements real food, reasonable movement, and sleep cycles; it doesn’t attempt to replace them. When every ingredient is chosen with intention and backed by usage logic, the result is a daily habit designed for performance that feels real.

Bottom-line takeaway: IM8 excels at nutrient density. Uthful is built around how performance and recovery actually change with age.

FAQs

Does IM8 contain NMN?

No. Uthful includes NMN; IM8 does not.

Is IM8 a longevity supplement?

IM8 focuses on nutrition rather than longevity pathways like NAD+ or autophagy.

Is Uthful made in the UK?

Yes, Uthful is made in the UK at a GMP-certified facility

Which is the better longevity supplement - IM8 or Uthful?

Uthful is the more targeted choice for longevity support for most adults, as IM8 is focused on broader a micronutrient density.