Supplement Duo
Supplement Duo
A science-led supplement duo for around-the-clock wellness. By day, a probiotic multi-vitamin with zinc and vitamins B, D & K2 to support energy, digestion and clearer skin. By night, a science-backed capsule with BeTheanine®, magnesium bisglycinate and antioxidant trace minerals to improve sleep quality and overnight skin repair.
“It’s called You’re Looking Well. And you will.” – Claudia Winkleman, How to Get a Glowing Complexion, The Times
Benefits
Benefits
Supports gut health & digestion
Three complementary probiotic strains help balance the gut microbiome and support healthy digestion.
Brighter, clearer, healthier-looking skin
Targets the gut–skin axis with strains known to support skin health, plus zinc for visible clarity.
Better mood & more stable energy
Bioavailable B vitamins support mental clarity, focus and steady energy throughout the day.
Strong immune support
Vitamins D3, K2 and zinc work together to support natural immunity and overall health.
Sleep deeper, naturally
BeTheanine® and magnesium bisglycinate calm the mind before bed and support high-quality, deeper sleep.
Wake restored, not groggy
Reduces mental tension and supports a calmer, clearer morning - without the grogginess of some sleep supplements.
Supports overnight skin repair
Antioxidants help your skin recover from pollution, stress and UV exposure accumulated through the day.
Ingredients
Ingredients
Nutritional Information
Serving Size: 1 Capsule
| Ingredient | Per Serving | %NRV* |
|---|---|---|
| Vitamin D3 | 45µg | 900% |
| Vitamin K2 | 25µg | 33% |
| Thiamine (B1) | 15mg | 1364% |
| Riboflavin (B2) | 2mg | 143% |
| Niacin (B3) | 20mg NE | 125% |
| Vitamin B6 | 1.5mg | 107% |
| Folate | 200µg | 100% |
| Vitamin B12 | 2µg | 83% |
| Biotin | 50µg | 100% |
| Pantothenic Acid (B5) | 25mg | 417% |
| Zinc | 7.5mg | 75% |
| Live Bacteria Blend Lactobacillus paracasei (Lpc-37) Bifidobacterium lactis (BI-04) Bifidobacterium lactis (HN019) |
21bn CFU† 17bn CFU† 2bn CFU† 2bn CFU† |
** |
**No NRV established
†Colony-forming units guaranteed at the end of shelf-life
Nutritional Information
Serving Size: 1 Capsule
| Ingredient | Per Serving | %NRV* |
|---|---|---|
| Magnesium bisglycinate | 60mg | 16% |
| Copper | 0.9mg | 90% |
| Selenium | 55µg | 100% |
| Grape Seed (from 2.1mg of 120:1 extract) |
250mg | ** |
| BeTheanine® (from 337.5mg of decaffeinated green tea extract) |
135mg | ** |
**No NRV established
The Science Behind our Supplements
Built by a gut–skin science team
Built by a gut–skin science team
Developed collaboratively by experts in microbiome science, nutrition and cosmetic science to support gut health, skin clarity and immune function in two daily capsules.
Multi-strain probiotics chosen for synergy
Multi-strain probiotics chosen for synergy
Three complementary strains — Lpc-37, BI-04 and HN019 — selected for their ability to work together without inhibiting one another, supporting gut comfort, immunity and the gut–skin axis.
Bioavailable vitamins for steady energy & clarity
Bioavailable vitamins for steady energy & clarity
Highly absorbable B vitamins, Vitamin D3, Vitamin K2 and Zinc Bisglycinate support energy, focus, immunity and skin health throughout the day.
Clinical-grade BeTheanine® for deep, calm sleep
Clinical-grade BeTheanine® for deep, calm sleep
BeTheanine® is our premium L-theanine, 100% derived from decaffeinated green tea, and clinically proven to promote deep, restorative sleep without heavy sedation.
Magnesium bisglycinate for nervous system support
Magnesium bisglycinate for nervous system support
A highly bioavailable form of magnesium that supports the nervous system, eases muscle tension and helps stabilise sleep cycles through the night.
Antioxidant support for overnight skin repair
Antioxidant support for overnight skin repair
Polyphenol-rich grape seed extract, copper and selenium help protect cells from oxidative stress, supporting the skin’s natural repair processes while you sleep.
100+
Peer reviewed research papers
Supporting the specific probiotic strains in every capsule
21bn+
CFU in each dose
Delivered in a delayed-release capsule to ensure probiotics reach the gut alive.
91%
of users saw improvement in their sleep quality*
Thousands of happy customers
Our Supplements
Our supplements are built on two principles: biological synergy and clinical proof. Each formula targets the body’s core systems — gut, sleep and skin — because they work better together than alone.
Clinical proof
Every key strain and nutrient is backed by peer-reviewed research. We use evidence, not trends, to shape each formulation.
Optimal dosing
Each capsule delivers meaningful, evidence-based levels in highly bioavailable forms — nothing underdosed, nothing unnecessary.
Targeted delivery
We use capsule technology tailored to each formula, from delayed-release probiotics to precisely calibrated night-time support.
Real-world testing
Every formula is tested with real people, and each batch is independently lab-tested for purity — so results are measurable, visible and genuinely felt.
Recommended By Industry Leaders & Experts
Jodie Whittaker
Both are a dream for my very sensitive skin! I took the day & night supplements whilst on my last job and slept like a baby and wasn't sick once!
Jamie Theakston
YLW has become a part of my daily routine. I love the convenience of it; no messing about with loads of supplements and multiple skin care options.
Alex Eagle
It's reassuring to have a product that has been researched and created by a team that really knows what's best. YLW helps simplify life, a great product that makes you look and feel well."
Dr. Krystyna Wilczynski
I love this Night Cream and wake up with skin that is nourished and glowing! The Day Cream sits beautifully under makeup and is super hydrating. I also love that the vitamin C doesn't cause any irritation, which a lot of vitamin C products do.
Joan Abebe
Leaves my skin feeling confident to start the day, even on the days when I'm not wearing makeup. Coupled with the supplements, it has really simplified my skincare routine."
