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Featured Experience · Interactive Pairing

DOSEDUO

Cup & Cap

Pair a beverage with a capsule to unlock your daily dose — natural dopamine, oxytocin, serotonin, and endorphins. Built on Transfer Factor® science for immune support that lasts.

A Activity I Immune M Mood
Start Pairing ↓ What's a DOSE?
The Daily Duo

Pick a Cup. Pick a Cap.

Cycle through each side to build your pairing. Cups deliver caffeine, amino acids, and botanicals for clean, sustained energy. Caps deliver adaptogens, focus, mood, and nootropic support. The pairing is the power.

Now Pairing

4LifeTransform® PreZoom® & 4Life Stress Formula

Full output with poise. PreZoom delivers the push; Stress Formula's Xanthohumol keeps your nervous system steady so you stay active and engaged without the wear. The all-day performer's duo.

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The Science of Joy

Your Daily DOSE

Four brain chemicals quietly run your mood, motivation, and connection. The right Cup + Cap pairing nudges all four naturally — no synthetic shortcuts.

D
Dopamine
The reward chemical. Drives motivation, focus, and the satisfying "I got this" feeling.
O
Oxytocin
The bonding chemical. Builds trust, comfort, and a sense of safety and connection.
S
Serotonin
The mood stabilizer. Quiet contentment, steady calm, and emotional resilience.
E
Endorphins
The joy chemicals. Natural pain relief, the high of staying active, and pure feel-good energy.

Your Cup is the spark — natural caffeine, ginseng, and B vitamins to lift dopamine and endorphins. Your Cap is the steady hand — adaptogens, L-theanine, and Xanthohumol to support serotonin and a relaxed, oxytocin-friendly state. Together, a complete daily DOSE — clean, balanced, and genuinely your own.

The Power of Immune Peptides

More than energy. More than mood. Immune support, too.

Most of the products in your Dose Duo are quietly powered by 4Life Transfer Factor® — immune memory molecules concentrated from cow colostrum and chicken egg yolk. Clinically proven to activate the immune system within two hours.*

That's the hidden gift of pairing Cup and Cap: every sip and every capsule isn't just a pick-me-up — it's an education for your immune cells. Energy you can feel, defense you don't have to think about.

25+ Years · NSF Certified · A+ BBB
Targeted Health

AIM hits the mark.

Three pillars. One precise hit. Each duo targets a specific need — Activity, Immune, Mood — so nothing's left to chance. 4Life's Targeted Transfer Factor® line was built around exactly this idea: science aimed where it counts.

A · Activity (your Cup) I · Immune (Transfer Factor®) M · Mood (your Cap)
Three Pillars · One Routine

AIM — the everyday equation

Activity, Immune, Mood. Every duo is built from these three pillars — the simplest framework for a day that holds.

A

Activity

Clean, natural caffeine, amino acids, and botanicals from your Cup. Energy that lifts you without the spike or crash — fuel for an active day, focused work, and follow-through.

I

Immune

Transfer Factor® immune peptides quietly educate your immune cells with every dose. The defense layer running underneath the energy and the calm.

M

Mood

Adaptogens, L-theanine, and Xanthohumol from your Cap support serotonin balance and a calm, grounded headspace. The steadying counterweight to your Cup.

Not Quite Right?

Three more daily favorites

If a Cup & Cap pairing isn't the right fit today, these three pull double duty — they support mood, sleep, and body composition in ways the carousel doesn't cover.

4Life Transfer Factor Collagen
Skin · Joints · Energy

Transfer Factor® Collagen

Strawberry-mango powder with 5 types of collagen, biotin, and vitamins A, C, E. Beauty from the inside, with Transfer Factor® inside.

$43.00 $51.00
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4Life Transfer Factor SleepRite
Sleep · Recovery

Transfer Factor® SleepRite®

GABA, ashwagandha, magnesium, and melatonin for restorative sleep that doubles as immune education. The end-of-day Cap.

$36.00 $42.00
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4LifeTransform Burn
Metabolism · Energy

4LifeTransform® Burn

Thermogenic blend with African mango and red pepper to support metabolism, fat-burning, and feelings of fullness. Pairs well with any Cup.

$60.00 $71.00
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Good Questions

Dose Duo FAQ

Quick answers about the Cup & Cap pairing, DOSE, and how it all works.

What is the Dose Duo?
The Dose Duo pairs a 4Life energy "Cup" (Energy Go Stix, Energy Go Shot, or PreZoom) with a mood "Cap" (Stress Formula, Renuvo, or Reflexion). Together they support natural energy and a balanced mood while delivering 4Life Transfer Factor immune support.
What does DOSE stand for?
DOSE refers to four brain chemicals tied to mood and motivation — Dopamine, Oxytocin, Serotonin, and Endorphins. The Cup and Cap pairing is designed to support all four naturally.
What is a Cup and what is a Cap?
A Cup is a 4Life energy beverage (Energy Go Stix, Energy Go Shot, or PreZoom) with caffeine, amino acids, and botanicals. A Cap is a mood-support capsule (Stress Formula, Renuvo, or Reflexion) with adaptogens, L-theanine, and Xanthohumol.
Does the Dose Duo support immune health?
Yes. Most products in the Dose Duo are powered by 4Life Transfer Factor — immune-memory peptides from cow colostrum and egg yolk that help support your immune system. These statements have not been evaluated by the Food and Drug Administration; these products are not intended to diagnose, treat, cure, or prevent any disease.
What does AIM mean?
AIM stands for Activity, Immune, and Mood — the three pillars behind every Dose Duo pairing: energy from your Cup, immune support from Transfer Factor, and mood balance from your Cap.
How is the Dose Duo different from happy coffee brands like The Happy Co?
Brands like The Happy Co popularized the D.O.S.E. idea with all-in-one happy coffee drinks. The Dose Duo takes a two-part approach: you pick a caffeinated Cup for energy and a separate Cap for mood, so you can adjust each side independently. Dose Duo products also include 4Life Transfer Factor immune peptides. Dose Duo is an Independent 4Life Affiliate site and is not affiliated with The Happy Co.
Build Your Duo

A daily ritual. A natural DOSE.

Same products. Same prices. Same guarantee as 4life.com — with the support of an Independent 4Life Affiliate.

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