ageLOC® R² (R2) (UK)

ageLOC R² is Nu Skin's day-and-night supplement system that targets cellular energy production during waking hours and supports the body's natural purification processes overnight. It's built around Nu Skin's gene expression science — specifically, Youth Gene Clusters associated with how cells produce energy and handle detoxification. At £109.00 for a full 30-day supply of both formulas, it sits at the premium end of the UK supplement market, but it's one of the few products that actually separates its active ingredients into circadian-aligned doses rather than cramming everything into a single morning tablet. We've used R² through two full British winters now, and the sustained energy through those grey January afternoons — when you'd normally hit the wall around 3pm — was the first thing we genuinely noticed, starting around week three.

What Makes ageLOC R² Different

Most energy supplements on the UK market take a blunt approach: caffeine, B-vitamins, maybe some ginseng. They mask tiredness without addressing why you're tired in the first place. R² works at a fundamentally different level. The Day formula focuses on mitochondrial efficiency — specifically, how well your cells convert nutrients into usable energy (ATP). Mitochondrial function declines measurably with age; a widely cited 2007 study in PLoS Biology estimated mitochondrial capacity drops by roughly 8% per decade after age 30. Rather than papering over that decline with stimulants, R² Day aims to support the cellular machinery itself.

The Night formula shifts focus to purification pathways, particularly the Nrf2 antioxidant response system. Nrf2 is a transcription factor that, when activated, upregulates the body's own antioxidant enzymes — superoxide dismutase, glutathione peroxidase, catalase. These are the body's first-line defence against oxidative stress. The timing matters: research published in Cell Metabolism has established that detoxification enzyme activity follows circadian patterns, peaking during sleep. R² Night is designed to work with this natural rhythm rather than against it.

The two-phase approach is what genuinely sets R² apart from the competition. You won't find Vitabiotics Wellman Energy or any Holland & Barrett own-brand supplement splitting its formula into day and night components. It's a more sophisticated approach, though it's worth noting that gene expression changes don't automatically translate to dramatic clinical outcomes for every individual — the science is real, but individual responses vary.

Key Ingredients

Cordyceps sinensis Cs-4 (R² Day) — This medicinal mushroom extract has been used in traditional Chinese medicine for centuries, but the clinical evidence is what matters here. A 2010 study in the Journal of Alternative and Complementary Medicine (Chen S, et al., 2010;16(5):585-590) found that Cordyceps Cs-4 supplementation improved exercise performance and oxygen utilisation in older adults over 12 weeks. The mechanism centres on ATP production — Cordyceps appears to support mitochondrial efficiency, which is why it anchors the Day formula. Dosage in R² Day is standardised to Cs-4 specification, the same strain used in the clinical research.

Pomegranate Extract (R² Day) — Standardised for punicalagins and ellagic acid, pomegranate has been studied for its effects on mitochondrial biogenesis — the process by which cells create new mitochondria. A 2016 study in Nature Medicine (Ryu D, et al., 2016;22(8):879-888, PMID: 27400265) demonstrated that urolithin A, a metabolite of pomegranate ellagitannins, could induce mitophagy (clearing of damaged mitochondria) in both C. elegans and rodent models. The human implications are still being researched, but the mechanism is plausible and well-documented.

Milk Thistle Extract (R² Night) — Standardised to 80% silymarin, milk thistle has decades of clinical use supporting liver function. A Cochrane review has examined its hepatoprotective effects, and the European Medicines Agency has approved its use for supportive treatment in liver conditions. In R² Night, it supports phase II liver detoxification — the metabolic pathway responsible for conjugating and excreting toxins. Particularly relevant if you're exposed to urban air pollution during the day or simply living in a city like London, Birmingham, or Manchester.

Broccoli Seed Extract (R² Night) — Contains sulforaphane glucosinolate, one of the most potent natural activators of the Nrf2 pathway. A 2012 study in Cancer Prevention Research (Kensler TW, et al.) demonstrated that broccoli sprout extract increased the excretion of airborne pollutant metabolites in participants living in polluted areas. The Nrf2 activation is measurable and reproducible — this isn't a marginal ingredient. For anyone commuting through central London or living near a busy A-road, the pollution-detoxification angle is genuinely relevant.

Alpha Lipoic Acid (R² Day) — A dual-function antioxidant that works in both water-soluble and fat-soluble environments, alpha lipoic acid plays a direct role in mitochondrial energy metabolism as a cofactor in the pyruvate dehydrogenase complex. It supports the recycling of other antioxidants including vitamins C and E, extending the overall antioxidant capacity of the Day formula.

How People in the UK Are Using R²

Take 2 R² Day capsules in the morning with breakfast, and 2 R² Night capsules in the evening with your last meal. The timing genuinely matters — taking Day capsules at night or Night capsules in the morning undermines the circadian-alignment principle that makes R² distinctive. Most people we've spoken to notice the energy difference from the Day formula within 2-4 weeks, though some report it sooner. The Night formula effects are subtler — clearer skin, better recovery from exercise, improved morning alertness — and typically become apparent over 4-8 weeks.

For the UK lifestyle specifically, R² addresses a few common patterns. If you're commuting on the Tube or bus, you're exposed to significantly higher levels of particulate matter and nitrogen dioxide than the general population — Transport for London's own air quality monitoring confirms this. The Night formula's detoxification support is directly relevant. Central heating season (roughly October through April in most of Britain) puts additional oxidative stress on skin and mucous membranes. And the general fatigue that comes with limited winter daylight — the UK averages barely 1-2 hours of sunshine per day in December and January — compounds the age-related energy decline that R² Day is designed to address.

R² pairs well with LifePak+ for comprehensive nutritional coverage, though it works perfectly well as a standalone if your baseline nutrition is already reasonable. If you're also using the TRME weight management range, R² complements the energy support without conflicting with any of the TRME ingredients.

How It Compares

Comparison based on publicly available product information as of April 2026. Features, formulations, and prices may change.

Who Is This For

Ideal for: Anyone over 35 who's noticed their energy isn't what it was — the kind of person who used to power through a full day and now finds themselves flagging by mid-afternoon. Particularly relevant for London and south-east commuters dealing with daily pollution exposure, or anyone working long hours in centrally heated offices where the recycled air and artificial lighting compound fatigue. If you've browsed the supplement section at Holland & Barrett and felt overwhelmed by the wall of single-ingredient products, R² offers a systems approach that addresses energy and detoxification together.

Also suited for: Active adults in their 40s-60s who want to maintain cellular energy output as they age, and anyone with a lifestyle that involves regular alcohol consumption, processed food, or urban pollution exposure — all of which increase the detoxification burden that R² Night addresses.

Not recommended for: Pregnant or breastfeeding women (consult your GP first). Anyone on immunosuppressant medication should speak to their GP before using products containing Cordyceps. Not necessary for healthy adults under 25 whose mitochondrial function is still at peak capacity — save your money.

Frequently Asked Questions

Can I buy ageLOC R² in the UK without signing up?
Yes. NuBest Skin sells R² directly — no Nu Skin membership, no auto-ship commitment, no account creation required. Add to basket, pay, and it ships from the official Nu Skin UK warehouse.

Is R² worth the price difference compared to Vitabiotics Wellman Energy?
They're fundamentally different products. Wellman Energy is a solid daily multivitamin with an energy slant — B-vitamins, iron, CoQ10. R² doesn't try to be a multivitamin at all. It targets specific gene expression pathways related to cellular energy and detoxification using specialised botanical extracts in a circadian-aligned format. Whether that's worth £109 vs £12 depends on whether you want broad nutritional coverage (LifePak+ is better for that) or targeted anti-ageing energy support.

Can I take R² alongside LifePak+?
Yes — Nu Skin designed them to complement each other. LifePak+ provides the comprehensive vitamin and mineral foundation, while R² adds the gene expression and energy-specific botanical ingredients. There's no meaningful overlap or risk of exceeding safe intake levels when combining them at recommended doses.

How long before I notice anything?
Most users report noticeable energy improvements within 2-4 weeks on the Day formula. The Night formula effects — clearer skin, better recovery, improved morning alertness — typically become apparent from week 4-8. If you don't notice anything after 12 weeks of consistent use, it may not be the right product for your specific physiology.

I've seen R² on Amazon UK — is it the same thing?
Nu Skin products on Amazon are typically sold by unauthorised third-party resellers. There's no guarantee of authenticity, proper storage, or valid expiry dates. NuBest Skin sources directly through official Nu Skin distribution channels, ensuring genuine product with full traceability.

Works With

LifePak+ — Provides the comprehensive daily nutrition foundation (58+ vitamins, minerals, and antioxidants) that R² doesn't attempt to replace. Think of LifePak+ as the broad nutritional base and R² as the targeted booster for energy and detoxification. Together, they cover both general nutritional gaps and specific gene expression pathways.

Beauty Focus Collagen+ — While R² works at the cellular energy and detoxification level, Collagen+ supports skin structure from a different angle — marine collagen peptides, lutein, and phytoceramides. The combination addresses both internal cellular ageing and external skin appearance. We've noticed the best results when using all three together over a 90-day period.

Pharmanex Tegreen 97 — Concentrated green tea catechins that complement R²'s antioxidant defence pathways. Tegreen's EGCG content supports thermogenesis and provides additional antioxidant activity through a different mechanism than R² Night's Nrf2 activation — the effects are additive rather than redundant.

Important Information

Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. Keep out of reach of young children. Store in a cool, dry place.

If you are pregnant, breastfeeding, taking medication, or under medical supervision, consult your GP before use.

NuBest Skin is an Independent Nu Skin Brand Affiliate. This website is independently operated and is not produced, endorsed, or approved by Nu Skin Enterprises, Inc.

Sources & References

• Chen S, et al. "Effect of Cs-4 (Cordyceps sinensis) on Exercise Performance in Healthy Older Subjects." Journal of Alternative and Complementary Medicine, 2010;16(5):585-590.
• Ryu D, et al. "Urolithin A induces mitophagy and prolongs lifespan in C. elegans and increases muscle function in rodents." Nature Medicine, 2016;22(8):879-888. PMID: 27400265.
• Nu Skin Enterprises. ageLOC R² product documentation and gene expression research.
• Public Health England / Scientific Advisory Committee on Nutrition. Vitamin D and Health report, 2016.
• Transport for London. Air Quality Reports — particulate matter and NO₂ levels across the network.

Product information reviewed by the NuBest Skin Editorial Team. Last updated April 2026.