Stacks hub
Supplement stacks by goal
A stack is a combination with a job to do. Each guide below opens with the short answer, then covers what goes in, the dose and timing the research supports, the safety block — who should not take it and what it interacts with — five direct FAQs, and a price-free product table limited to products that pass our third-party-testing and label-dose rules. Where US and UK rules differ, the cluster carries a separate UK edition rather than a quietly recycled page. New here? The beginner stack is the front door.
Sleep Stack
Magnesium glycinate, L-theanine and glycine — a melatonin-free evening stack with study doses and timing, in US and UK editions.
Sleep Stack Doses: Exact Amounts and Timing for Bedtime
The full sleep stack doses and timing protocol: magnesium with dinner, theanine an hour out, glycine at lights-out, plus the two-week ramp-in plan.
Sleep StackSleep Stack UK Guide: Magnesium, Theanine and Glycine
The UK sleep stack explained honestly: magnesium, L-theanine and glycine, the EFSA claims that actually exist, UK doses and who should not take them.
Sleep StackThe Sleep Stack: Magnesium, L-Theanine and Glycine, Honestly
A melatonin-free sleep stack built on magnesium glycinate, L-theanine and glycine: study doses, timing, safety limits and who should skip it entirely.
Over-40 Stacks
Muscle, joints, heart and hormones after 40 and 50: creatine, protein, vitamin D, CoQ10, collagen and tongkat ali — each judged on its own evidence.
Supplements for men over 40: the UK evidence-led guide
After 40, muscle, bone and recovery change. This UK guide ranks supplements for men over 40 by authorised claims, NHS guidance, dose and safety in full.
Over-40 StacksSupplements for men over 40: what actually helps most
After 40, muscle, bone and recovery need a different plan. This guide ranks supplements for men over 40 by evidence, dose and safety, with no hype at all.
Over-40 StacksSupplements for men over 50: the UK evidence-led guide
After 50, muscle, bone and medicines change the picture. This UK guide ranks supplements for men over 50 by authorised claims, NHS advice and safety.
Over-40 StacksSupplements for men over 50: what actually helps most
After 50, muscle loss, bone change and prescriptions change the maths. This guide ranks supplements for men over 50 by evidence, dose and safety checks.
Creatine Stacks & Pairs
The most-studied supplement in sports science: what to stack with it, the forms and loading questions, gummies, and the women-specific answers.
Creatine for Women: Will It Make You Bulky or Bloated?
Creatine for women at 3-5 g a day: what it does for strength and lean mass, why it will not make you bulky, and how to avoid the bloating people fear.
Creatine Stacks & PairsSupplements to Stack With Creatine: What Pairs Well
Which supplements to stack with creatine actually pair well, at what doses, and which combos add cost without adding results for most lifters.
Beginner Stack
Start here. The minimal stack that covers the basics, how to read a label without being fooled, and the mistakes that waste beginners’ money.
The Minimal Supplement Stack: Three Things, No More
A minimal supplement stack that works: protein handled by food or whey, creatine monohydrate, and vitamin D only if you need it. Nothing else earns a place.
Beginner StackSupplement Mistakes Beginners Make (and How to Fix)
The supplement mistakes that waste the most money: starting six products at once, proprietary blends, megadosing, and ignoring medication. Each has a fix.
Beginner StackSupplement Stack for Beginners: Start With the Basics
A supplement stack for beginners should be short: protein if you fall short, creatine, and vitamin D if you lack sun. Here is the order to add them, with doses.
Endurance & Runners
Sodium, sweat and strategy for runners — US and UK guides, long-run fuelling, homemade mixes, and honest rules for when you need electrolytes at all.
Electrolytes for Runners: A UK Guide to Salts & Sweat
Electrolytes for runners in the UK: what you lose in sweat, when water stops being enough, and the authorised claims to look for. Sodium first, always.
Endurance & RunnersElectrolytes for Runners: Sodium, Sweat, and Strategy
Electrolytes for runners come down to one mineral: sodium. How much you lose in sweat, when water stops being enough, and how to replace it on race day.
Vitamin D3 + K2
D3 with K2 done properly: doses, blood levels, timing with food, the warfarin cautions, and the stricter UK claims rules.
Vitamin D3 With K2 in the UK: Doses, Claims and NHS Rules
Vitamin D3 with K2 explained for UK readers: the NHS 10 microgram rule, EFSA-authorised wording only, safe limits, and who should not take it.
Vitamin D3 + K2Vitamin D3 With K2: What It Does and How to Take It Right
Vitamin D3 with K2 pairs calcium absorption with calcium direction. Doses, MK-7 vs MK-4, who should skip it, and how to take it with food daily.
Pre-Workout
Build your own pre-workout from citrulline, beta-alanine and caffeine + L-theanine at doses that match the studies — or go stim-free for evening training.
Build Your Own Pre-Workout: Doses That Actually Work Well
Build your own pre-workout with four proven ingredients at full studied doses. No proprietary blends, no filler — just citrulline, caffeine and more.
Pre-WorkoutDIY Pre-Workout Recipe: Exact Scoops, Timing and Method
A DIY pre-workout recipe with exact gram doses, mixing order, timing, and a stim-free swap — so you control every ingredient and every milligram.
Pre-WorkoutStim-Free Pre-Workout Stack for Evening Training Sessions
A stim-free pre-workout stack for evening training: citrulline and beta-alanine without caffeine, so performance support does not cost you sleep.
Focus Stack
Lion’s mane, alpha-GPC and bacopa for work and study: calm focus without jitters, and honest readings of small human trials.
Focus Stack for Work: Staying Sharp Without Jitters
A focus stack for work built for long desk days: caffeine plus theanine for mornings, slow herbs for memory, and clear rules on timing and sleep.
Focus StackFocus Stack: What Actually Helps You Concentrate Well
A practical focus stack built on caffeine plus L-theanine, alpha-GPC, and slow herbs — with studied doses, timing, and who should skip it entirely.
Focus StackSupplement Stack for Studying: A Calm, Honest Guide
A supplement stack for studying that favors sleep, caffeine plus theanine, and patience over hype — doses, timing, and what to skip on exam week.