Blogs

As the season shifts, many people notice changes in energy, appetite, routines, and time spent outdoors. Alongside these practical changes, your body is also adapting to a different balance of stressors-such as altered sleep patterns, richer or more convenience-based meals, more indoor time, heating-related dryness, and (for some) more exposure to air pollution on commutes. None of this is inherently “bad”, but it does influence the body’s ongoing need to manageoxidative stress.

Antioxidants for this season is the focus of this guide.

Antioxidants for this seasonis a useful way to think about nutritional support: not as a quick fix, but as a sensible, consistent approach to supporting normal cell function when your lifestyle and environment change. Antioxidants are part of your body’s day-to-day maintenance system. They help managefree radicals(reactive molecules formed during normal metabolism and increased by factors like UV exposure, pollution, smoking, intense exercise, and inflammation). When free radicals outnumber the body’s defences, oxidative stress can increase-potentially affecting lipids, proteins, and DNA.

This article summarises what research suggests about key antioxidant nutrients and plant compounds, how they work (mechanisms), and which are often easiest to use daily. It’s written for everyday consumers and focuses on realistic choices:benefitsyou can reasonably expect from good nutrition and supplementation, how to judgequality, and how to choose something thatfitsyour routine with goodcompatibilitywith your diet and other supplements.

Why antioxidants can matter more “this season”

Oxidative stress is not a seasonal condition, but seasonal patterns can change the inputs that influence it. Researchers often describe oxidative stress as an imbalance between the production of reactive oxygen species (ROS) and the body’s ability to neutralise them with antioxidant defences (enzymatic systems like superoxide dismutase, catalase, and glutathione peroxidase, plus dietary antioxidants).

Here are common seasonal factors that can shift the equation for many people in the UK:

• Less dietary variety: colder weather and busy schedules can reduce fruit/veg variety and intake of polyphenols and carotenoids.
• More processed foods: higher intakes of refined carbohydrates and oxidised fats can contribute to inflammation and oxidative load.
• Changes in sun exposure: less daylight affects lifestyle patterns; on brighter days, UV exposure can increase oxidative stress in skin. (Antioxidants are not a replacement for sunscreen.)
• More indoor air exposure: heating, indoor cooking fumes, and commuting pollution can affect respiratory irritation and oxidative pathways.
• Training blocks: many people start new fitness routines; strenuous exercise increases ROS transiently. This is not inherently negative-ROS also signal adaptation-but recovery nutrition matters.
• Sleep disruption: seasonal routine shifts, stress, and less daylight can affect sleep; poor sleep is associated with altered oxidative and inflammatory markers in observational research.

Importantly, the goal isn’t to “eliminate” oxidation-your immune system and cell signalling rely on reactive species. The goal isbalance: supporting normal antioxidant defences so you can maintain resilience as your environment and habits change.

Antioxidants 101: what they are and how they work

“Antioxidant” is an umbrella term for nutrients and plant compounds that help prevent or slow oxidation. In practice, different antioxidants do different jobs, in different tissues, and under different conditions. Mechanisms commonly discussed in the literature include:

• Direct scavengingof free radicals (donating an electron without becoming dangerously reactive themselves).
• Regenerationof other antioxidants (for example, vitamin C helping regenerate vitamin E in certain contexts).
• Metal chelation(binding transition metals that catalyse radical formation).
• Upregulation of endogenous defences(activating pathways such as Nrf2 that increase antioxidant enzyme expression).
• Reducing lipid peroxidation(protecting cell membranes and lipoproteins).

It’s also useful to distinguish between:

Dietary antioxidants(vitamins, minerals, polyphenols, carotenoids) andendogenous antioxidants(compounds your body makes, such as glutathione). Many supplements aim to provide antioxidant nutrients directly (e.g., vitamin C) or provide precursors/cofactors that support endogenous systems (e.g., selenium for glutathione peroxidase, or N-acetylcysteine as a cysteine donor used in glutathione synthesis).

Which antioxidants offer the best benefits for daily use?

“Best” depends on your diet, goals, and tolerance, but for daily use most people do well with options that are well-studied, broadly compatible, and easy to take consistently. Below are evidence-informed choices and what to know about them.

Vitamin C: a practical, well-understood daily antioxidant

Vitamin C (ascorbic acid) is a water-soluble antioxidant with a long history in nutrition science. It supports normal immune function, collagen formation, and protects cells from oxidative stress-authorised health relationships in the UK/EU for vitamin C reflect its essential roles. Mechanistically, vitamin C can donate electrons to neutralise radicals in aqueous environments (blood plasma and within cells), and it can help regenerate other antioxidants.

Seasonal fit:When fresh produce intake dips, vitamin C intake can fall. A daily supplement can be an easy “nutrition backstop”, particularly for people who don’t regularly eat citrus, peppers, kiwi, or berries.

Compatibility notes:Often well tolerated; some people prefer buffered forms if sensitive to acidity. Vitamin C can increase iron absorption from plant foods-useful for some, but if you have a condition involving iron overload, seek clinician advice.

If you’re browsing options, you can exploredaily antioxidant supplementsfor formats that suit your routine.

Vitamin E: lipid protection and membrane support

Vitamin E refers to a family of compounds (tocopherols and tocotrienols), with alpha-tocopherol the most commonly used form in supplements. It is fat-soluble and helps protect cell membranes from lipid peroxidation. In research contexts, vitamin E is often discussed in relation to oxidative protection of lipids.

Seasonal fit:If your diet includes more processed fats during colder months, protecting lipids from oxidation becomes a relevant concept-though diet quality (fresh oils, nuts, seeds, oily fish) remains foundational.

Compatibility notes:Fat-soluble vitamins can accumulate; avoid “megadoses” unless directed by a clinician. If you take anticoagulant medication, discuss vitamin E supplementation with a healthcare professional due to potential interactions at higher intakes.

Carotenoids (beta-carotene, lutein, lycopene): food-first, targeted supplementation when needed

Carotenoids are plant pigments with antioxidant properties. They are found in colourful fruits and vegetables: beta-carotene (carrots, sweet potato), lutein and zeaxanthin (leafy greens), and lycopene (tomatoes). They can quench singlet oxygen and help protect tissues exposed to oxidative stress.

Seasonal fit:Seasonal eating sometimes reduces the variety of colourful produce. If salads and greens become less frequent, carotenoid intake may drop. Some people choose targeted supplements for eye-support nutrients like lutein/zeaxanthin, especially if screens and indoor time increase.

Compatibility notes:High-dose beta-carotene supplements are not recommended for smokers; research has shown adverse outcomes in specific high-risk groups. Food sources are generally preferred for beta-carotene unless a clinician advises otherwise.

To see a range of options people commonly use, browseantioxidant formulas and capsulesand compare ingredient profiles for fit and simplicity.

Selenium and zinc: mineral cofactors for antioxidant enzymes

Not all antioxidant support comes from classic “antioxidant vitamins”. Minerals such as selenium and zinc support antioxidant defence systems indirectly. Selenium is required for selenoproteins, including glutathione peroxidases, which help reduce peroxides. Zinc supports normal immune function and is involved in many enzymes and cellular repair processes; it also contributes to protection from oxidative stress.

Seasonal fit:Diet changes (less seafood, fewer nuts/seeds, fewer whole grains) can reduce intake. For some people, a moderate daily mineral supplement can improve consistency.

Compatibility notes:More is not better. High zinc can cause nausea and can interfere with copper status over time; selenium also has an upper safe limit. Look for sensible dosing and avoid stacking multiple products with the same minerals unless you’ve checked totals.

Coenzyme Q10 (CoQ10): mitochondrial support and antioxidant activity

CoQ10 (ubiquinone/ubiquinol) is involved in mitochondrial energy production (electron transport chain) and also acts as an antioxidant in lipid environments. CoQ10 levels can vary with age and may be influenced by certain medications (for example, statins may reduce endogenous CoQ10 levels in some individuals, though clinical relevance varies).

Seasonal fit:When routines shift and fatigue is common, people often look for supplements that support energy metabolism. CoQ10 isn’t a stimulant; it’s more accurately described as supporting cellular energy processes. Evidence is mixed across outcomes, but CoQ10 is widely studied and is a common “daily use” choice for those who tolerate it well.

Compatibility notes:Fat-soluble; absorption is improved with a meal containing fat. If you take warfarin or other medications, consult a pharmacist or GP before starting CoQ10.

You can exploreCoQ10 and antioxidant blendsif you prefer a single-product approach.

Polyphenols (e.g., quercetin, resveratrol, green tea catechins): more than “antioxidant”

Polyphenols are a large class of plant compounds found in tea, berries, cocoa, olives, onions, and many herbs and spices. While they can act as antioxidants in test-tube settings, human biology is more nuanced: many polyphenols are metabolised, and their benefits may come from influencing signalling pathways, inflammation, endothelial function, and the gut microbiome rather than acting purely as direct radical scavengers.

Seasonal fit:Polyphenol intake often drops when people drink less tea, eat fewer berries, or rely more on convenience foods. Supplementing can be attractive, but it’s also one area where food choices can go a long way (tea, dark berries, extra virgin olive oil, cocoa).

Compatibility notes:Some polyphenols can interact with medications (for example, green tea extracts at high doses have been associated with rare liver issues; grapefruit-like interactions are complex and compound-specific). Choose reputable products and avoid taking multiple high-dose extracts at once.

Glutathione support: NAC and alpha-lipoic acid (ALA)

Glutathioneis one of the body’s key endogenous antioxidants, present in many tissues and involved in detoxification and redox balance. Rather than supplementing glutathione directly (which has variable absorption depending on form), many people use nutrients that support glutathione status.

N-acetylcysteine (NAC)provides cysteine, a rate-limiting amino acid for glutathione synthesis. It has a clinical history and is researched in respiratory contexts and oxidative stress models.Alpha-lipoic acid (ALA)is both water- and fat-soluble and can participate in antioxidant recycling; it’s also studied in metabolic and neuropathy contexts.

Seasonal fit:When respiratory irritation is more common (dry indoor air, commuting, winter bugs), people sometimes look to NAC. Evidence varies by outcome and population, and it’s not a substitute for medical care, but mechanistically it’s a logical “antioxidant system support” option.

Compatibility notes:NAC can cause gastrointestinal upset in some. ALA can affect blood sugar; if you have diabetes or take glucose-lowering medication, seek advice. If you have asthma, consult a clinician before NAC due to rare bronchospasm concerns.

For a broader look at what’s available, seeantioxidants for everyday routinesand check whether single-ingredient or combined formulas better suit your tolerance and preferences.

Astaxanthin: a carotenoid often chosen for skin and eye exposure

Astaxanthin is a red-orange carotenoid found in microalgae and seafood like salmon. It is studied for antioxidant effects, including potential roles in skin photoprotection and exercise recovery markers. Human evidence varies by outcome and dose, and studies often use specific extracts.

Seasonal fit:If your season includes more outdoor time (clear cold days, skiing holidays, or simply more walking), oxidative stress from UV exposure can be relevant. Astaxanthin is sometimes used as part of a broader skin-support routine, alongside sunscreen and protective clothing.

Compatibility notes:Generally taken with food due to fat solubility. If you’re pregnant, breastfeeding, or on medication, check with a healthcare professional.

How to choose a high-quality antioxidant supplement

Because “antioxidants” covers many ingredients, choosing well comes down to a few consistent quality checks. These help you pick something with betterquality, a better personalfit, and fewer surprises aroundcompatibility.

• Look for clear forms and amounts: e.g., “vitamin C as ascorbic acid, 500 mg” or “CoQ10 (ubiquinone), 100 mg”. Avoid vague proprietary blends that hide dosages.
• Check standardisation for botanicals: for example, green tea extract standardised to catechins/EGCG, or grape seed extract standardised to OPCs.
• Prefer third-party testing where possible: reputable brands may provide batch testing for purity, heavy metals, or contaminants.
• Consider delivery format: capsules, softgels, powders, or liquids. Fat-soluble ingredients (vitamin E, CoQ10, carotenoids) often suit softgels.
• Review excipients: if you’re sensitive, check for sweeteners, colours, shellfish gelatine, or allergens.
• Avoid stacking duplicates: multivitamins plus “immune” blends plus single minerals can accidentally push totals high.

If you want a starting point for browsing ingredient-led options, theElovita antioxidants collectioncan help you compare product types in one place.

Daily use: what a sensible routine can look like

A daily antioxidant routine is most effective when it’s simple enough to maintain. The best plan is usually not “more supplements”-it’s the right combination of diet and a small number of targeted additions.

Common “daily use” patterns people find manageable include:

• Base nutrient: vitamin C (and sometimes zinc/selenium, depending on overall intake).
• One targeted antioxidant: CoQ10 for those focused on energy metabolism; lutein/zeaxanthin for those focused on eyes/screen time; or a polyphenol-rich extract for those who struggle to get plant variety.
• Seasonal add-on: a short course of a specific ingredient during routine disruptions (travel, intense training blocks, or periods of low produce intake).

Timing can matter for tolerance and absorption: fat-soluble nutrients tend to absorb better with meals; some people prefer vitamin C earlier in the day; and polyphenol extracts can be stimulating for certain individuals if taken late.

Food sources that naturally increase antioxidant intake

Supplements can help fill gaps, but the strongest evidence base for long-term health still favours a diet rich in plant foods. Whole foods provide fibre and a spectrum of phytochemicals that work together, alongside minerals and vitamins.

Season-friendly, UK-available antioxidant foods include:

• Frozen berries(polyphenols): easy year-round in porridge or yoghurt.
• Tomato purée/passata(lycopene): convenient in soups and stews.
• Leafy greens(lutein/zeaxanthin): spinach, kale, cavolo nero.
• Nuts and seeds(vitamin E, selenium in Brazil nuts): portion-controlled snacks.
• Legumes(polyphenols, minerals): lentil soups and chickpea curries.
• Tea and cocoa(catechins/flavanols): mindful of added sugar.
• Extra virgin olive oil(polyphenols): use for dressings or finishing.
• Oily fish(astaxanthin in salmon; omega-3s reduce oxidative/inflammatory signalling): aim for regular servings if you eat fish.

These choices also support gut health, and the gut microbiome can influence how polyphenols are metabolised and utilised-another reason food patterns matter beyond isolated antioxidants.

Who should be extra cautious (and when to seek advice)

Even though many antioxidant supplements are widely used, “natural” doesn’t always mean universally suitable. Seek advice from a pharmacist, GP, or qualified clinician if you:

• are pregnant or breastfeeding
• have a chronic condition (especially liver, kidney, thyroid, or autoimmune conditions)
• take prescription medicines (e.g., anticoagulants, chemotherapy, thyroid medication)
• are preparing for surgery
• are considering high-dose single antioxidants (especially fat-soluble vitamins)

Also note that in sports science, high-dose antioxidant supplementation around training is debated: very large doses may blunt some training adaptations in some contexts by interfering with ROS signalling. For most recreational exercisers using moderate intakes, this is less likely to be a practical issue, but it’s a reason to avoid “mega” dosing unless there’s a clear rationale.

FAQ

Do antioxidants help with everyday tiredness in this season?

They can support normal energy-yielding metabolism indirectly if they correct a nutritional gap (for example, vitamin C supports normal energy metabolism and reduces fatigue when deficiency is present). However, tiredness is multi-factorial-sleep, iron status, thyroid health, stress, and overall calorie/protein intake often matter more than adding multiple antioxidants.

Is it better to take one antioxidant or a blend?

For daily use, one or two well-chosen ingredients is often easier and can improve consistency. Blends can be convenient, but check doses and avoid overlaps (for example, multiple products each containing zinc or vitamin E). Choose based on fit, tolerance, and compatibility with your current diet and supplements.

Can I take antioxidants alongside a multivitamin?

Often yes, but it depends on what’s in your multivitamin. Review totals for vitamin A (including beta-carotene), vitamin E, zinc, and selenium to avoid excessive combined intakes. If in doubt, ask a pharmacist to sense-check your stack.

Key takeaways for choosing antioxidants for this season

When you’re deciding which antioxidants offer the best daily benefits, aim for a routine that’s evidence-led and sustainable. Start with food variety, then add a small number of targeted supplements that match your needs, your tolerance, and your lifestyle. Prioritise transparent labelling and sensible doses, and be cautious with high-dose fat-soluble vitamins or multiple overlapping products.

If you’d like to explore options by ingredient and format, you can viewantioxidant supplements for seasonal routinesand compare what best matches your preferences.