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R1 / Ingredient guide

R1 / Five active ingredients

All five active ingredients.

Explore their roles and why we chose them. Amounts shown are per 1 sachet (9 g) of R1 White Yuzu.

SIGNAL

CP2305

10 billion cell equivalent per sachet

A heat-treated strain of L. gasseri, selected for its human research on stress and sleep. A defined role in R1's gut–brain approach.

WHY WE CHOSE IT: We chose the heat-treated CP2305 preparation studied in people for stress-related and sleep support.

RESERVE

Creatine Monohydrate

3,000 mg per sachet

Supports the phosphocreatine system, which helps store and supply energy in cells.

WHY WE CHOSE IT: We chose creatine monohydrate, the form used in extensive human research, including studies of muscle creatine stores.

STATE

L-Theanine

200 mg per sachet

An amino acid naturally found in tea, selected for human research on stress-related measures and attention. Its role in R1 is support for a calmer state.

WHY WE CHOSE IT: Human studies of L-theanine examine stress-related and sleep measures, informing its place in the formula.

RECOVERY SUPPORT

L-Ornithine HCl

500 mg per sachet

An amino acid selected for research on stress, fatigue and perceived sleep quality. One supporting role within the wider formula.

WHY WE CHOSE IT: We chose the hydrochloride form used in human research on perceived sleep quality, stress and fatigue.

GUT SUPPORT

PHGG

3,000 mg per sachet

Partially hydrolyzed guar gum, a soluble prebiotic fiber selected to support the gut environment.

WHY WE CHOSE IT: A soluble fiber with human research on bowel function and the gut environment, chosen for daily gut support.
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R1 / SIGNAL

CP2305

A heat-treated strain of L. gasseri, selected for its human research on stress and sleep. A defined role in R1's gut–brain approach.

What was studied

Randomized, double-blind, placebo-controlled trial

In a 24-week trial, heat-inactivated CP2305 improved anxiety and sleep-disturbance scores compared with placebo in Japanese medical students preparing for examinations.

Study context: 60 students; the heat-inactivated CP2305 preparation; an examination-stress setting.

Nishida et al. · Nutrients · 2019 (opens in a new tab)

Research focus: the named ingredient and preparation.

Explore R1 All ingredient research
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R1 / RESERVE

Creatine Monohydrate

Supports the phosphocreatine system, which helps store and supply energy in cells.

What was studied

Human muscle-creatine study

The study compared creatine intake protocols in men. A 3 g daily protocol increased muscle creatine gradually over 28 days, without a high-dose loading phase.

Measured outcome: muscle creatine concentration in men, including a 3 g daily protocol over 28 days.

Hultman et al. · Journal of Applied Physiology · 1996 (opens in a new tab)

Research focus: the named ingredient and preparation.

Explore R1 All ingredient research
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R1 / STATE

L-Theanine

An amino acid naturally found in tea, selected for human research on stress-related measures and attention. Its role in R1 is support for a calmer state.

What was studied

Randomized, placebo-controlled crossover trial

L-theanine at 200 mg daily improved sleep-latency and sleep-disturbance scores compared with placebo in a four-week intervention.

Study context: 30 adults in a crossover trial. Findings varied by outcome; other reported changes were within-group or subgroup findings.

Hidese et al. · Nutrients · 2019 (opens in a new tab)

Research focus: the named ingredient and preparation.

Explore R1 All ingredient research
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R1 / RECOVERY SUPPORT

L-Ornithine HCl

An amino acid selected for research on stress, fatigue and perceived sleep quality. One supporting role within the wider formula.

What was studied

Randomized, double-blind, placebo-controlled trial

52 Japanese adults with mild stress and fatigue were assigned L-ornithine or placebo for eight weeks. The study assessed stress markers, mood and perceived sleep quality.

Study serving: 500 mg L-ornithine monohydrochloride, supplying 400 mg L-ornithine daily. Read the salt weight and active amount together.

Miyake et al. · Nutrition Journal · 2014 (opens in a new tab)

Research focus: the named ingredient and preparation.

Explore R1 All ingredient research
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R1 / GUT SUPPORT

PHGG

Partially hydrolyzed guar gum, a soluble prebiotic fiber selected to support the gut environment.

What was studied

Randomized, double-blind, placebo-controlled trial

Adults took 3 g or 5 g of PHGG dietary fiber daily for eight weeks. Researchers examined bowel measures, gut microbiota and quality-of-life questionnaires.

Dose-specific findings: several questionnaire and bowel outcomes favored 5 g; results at 3 g differed. Each result should be read with its corresponding dose.

Abe et al. · Journal of Clinical Biochemistry and Nutrition · 2023 (opens in a new tab)

Research focus: the named ingredient and preparation.

Explore R1 All ingredient research
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Resilio / Find your fit

Recovery has to fit real life.

Start with the role you want nutritional support to play: an everyday foundation or a more targeted focus.

For the whole day

Meet R1: five active ingredients in a daily powder, designed for recovery support. 30 sticks · 30 daily servings.

Explore R1

For a more specific focus

Stress + Gut combines CEREBIOME® probiotics, R0011, L-theanine, ashwagandha and vitamin B6 for everyday stress and gut support.

Explore Stress + Gut

Compare the focus, ingredients and daily format of each product.
Resilio / Explore

Targeted recovery support

Stress + Gut

R1 is the daily recovery foundation in the Resilio range. Stress + Gut brings a targeted focus to everyday stress and gut support, in two daily capsules.

Different roles. One approach.

Compare the focus, ingredients and daily format of each product.

Explore R1