Longevity
Supplements for healthy ageing, from omega-3 and vitamin D to CoQ10, creatine and antioxidant formulas. We explain which forms are worth the money, what the evidence really shows and how to build a daily routine.Read more →
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Healthy ageing support: what holds up and what is still unproven
What sits behind the word longevity
Longevity is about the years you spend in good health, not only the number of them. This collection covers two very different groups of ingredients. The first is the well studied basics: omega-3, vitamin D, magnesium, creatine, B vitamins and antioxidant nutrients. Vitamin C, vitamin E, zinc and selenium each carry an approved claim for helping protect cells against oxidative stress. Vitamin D contributes to the maintenance of normal bones and normal muscle function. These are modest claims, and they are the ones that hold up.
The second group is the newer cellular ingredients: NAD+ precursors such as NMN and NR, plus spermidine, fisetin, calcium AKG and urolithin A. The research here is genuinely interesting and still early. No supplement has been shown to extend human lifespan in a controlled trial. In Great Britain, NMN counts as a novel food and its authorisation is still under assessment, so availability can change and no health claim may be made for it. We would rather say that than write around it.
The unglamorous ingredients carry most of the weight
If you are building a routine from scratch, start where the evidence is deepest. 250 mg of EPA and DHA a day contributes to the normal function of the heart, which is why omega-3 with EPA and DHA sits at the base of most routines. In the UK, the NHS advises adults to consider 10 micrograms of vitamin D daily through autumn and winter, because sunlight is too weak here to make enough.
Next comes muscle. Keeping strength into later life is one of the clearest markers of ageing well, and creatine monohydrate powder at 3 to 5 grams a day is one of the best documented products we stock. CoQ10 is popular in this category too, though it has no approved claim in the UK, so we describe it as a form and dose choice, not as a benefit.
How we choose what goes in this collection
We look at three things before a product goes live: the form, the dose, and whether the combination makes sense. So we prefer fish oil that states EPA and DHA per capsule instead of only a total oil figure, vitamin D3 rather than D2, and creatine monohydrate rather than exotic variants. We leave out stacks that hide twelve trendy compounds behind a proprietary blend, because you cannot check the dose of any of them. We buy directly from the brands, our compliance team checks every label, and we test batches ourselves alongside independent labs. You can read how we select brands and products.
What it is fair to expect
Most of this works quietly. Nutrient gaps close over weeks, not days, and with vitamin D or omega-3 you usually notice nothing dramatic at all, which is normal. Give any single product two to three months of consistent use before you judge it, and add one thing at a time so you know what did what. A useful habit: write down what you started and when.
This collection suits adults who already have sleep, movement and food roughly in place and want to fill real gaps. Those basics still outperform anything on this page, which is not a disclaimer, it is where your money goes furthest.
- New to this: one omega-3, vitamin D through the darker months, and food first.
- Over 50: add protein and creatine for strength work, and check vitamin B12 if you eat little meat.
- Already stacking: compare doses per capsule before you buy more bottles.
For broader daily support, the IMMUNITY + VITALITY pillar brings these everyday essentials together in one place.
Frequently asked questions
What are longevity supplements?
It is a shopping category rather than a defined type of product. It groups two things. First, ordinary nutrients linked to ageing well: omega-3, vitamin D, magnesium, creatine, B vitamins, and antioxidant nutrients such as vitamin C, vitamin E, zinc and selenium, which contribute to the protection of cells from oxidative stress. Second, newer cellular compounds such as NAD+ precursors, spermidine and fisetin, where human research is still at an early stage.
Which ingredients have the strongest human evidence?
The dull ones. Omega-3 with EPA and DHA, vitamin D where intake is low, and creatine have the largest bodies of human research and the clearest dosing. Protein and magnesium sit close behind for people who fall short in their diet. The newer cellular compounds have plausible mechanisms and small human studies, but nothing that supports a lifespan claim. That is why we describe them by form and dose rather than by promised outcome.
Is NMN legal to buy in the UK?
NMN is classed as a novel food in Great Britain, which means it needs authorisation before it can be sold freely as a food supplement. That assessment is still running with the Food Standards Agency, and sources disagree on how strictly the current position is applied. In practice this means two things for you: availability can change, and no health claim may be made for NMN. We only list products we can defend under current UK rules.
Which form should I choose: capsule, powder or liposomal?
Form decides how easy a product is to take and, for some ingredients, how much you absorb. Liposomal means the nutrient is wrapped in a tiny fat layer so the body takes up more of it.
| Form | Suits | Note |
|---|---|---|
| Capsule or softgel | Fixed daily dose | Take fat-soluble types with a meal |
| Powder | Grams, not milligrams | Cheapest per dose, needs a scoop |
| Liposomal | Poorly absorbed compounds | Higher price per serving |
| Sublingual | Unstable compounds | Less dosing precision |
For creatine, plain powder is enough. For fish oil, judge the capsule on stated EPA and DHA.
How much vitamin D, vitamin C, zinc and selenium do UK adults need?
These are the UK reference amounts for adults aged 19 to 64, not personal advice. Vitamin D is the one most people in Britain fall short of in autumn and winter, which is why the NHS advice singles it out. You can compare strengths in our vitamin D3 drops and capsules.
| Nutrient | Men 19-64 | Women 19-64 |
|---|---|---|
| Vitamin D | 10 mcg (400 IU) | 10 mcg (400 IU) |
| Vitamin C | 40 mg | 40 mg |
| Zinc | 9.5 mg | 7 mg |
| Selenium | 75 mcg | 60 mcg |
| Vitamin E | 4 mg | 3 mg |
Source: NHS
How long before I notice anything?
Expect effects after two to three weeks of consistent use at the earliest, and give a product two to three months before you decide. Some of this you will never feel directly. Closing a vitamin D gap or raising your omega-3 intake changes blood values long before it changes how your day feels. Add one product at a time rather than four together, otherwise you cannot tell which one deserves the money.
Is it worth starting in your 30s, or should you wait?
In your 30s the sensible list is short: fix a gap you actually have. That usually means vitamin D in the darker months, omega-3 if you rarely eat oily fish, and iron or B12 only if a blood test or your diet points that way. The expensive cellular compounds are a bet on early science, and paying for them in your 30s buys uncertainty. Strength training and sleep give a far better return at that age.
Can I combine several of these, and when should I check with my GP?
Combining the basics is usually straightforward, since a multivitamin, omega-3 and creatine work on different things. Watch the total, though: taking three products that each contain zinc or vitamin E adds up faster than people expect. Speak to your GP or pharmacist before starting if you take anticoagulant medication, blood pressure or diabetes medicines, or if you are pregnant or breastfeeding. Plant extracts such as resveratrol and berberine are the ones most often flagged for interactions.
