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Shop Vitamins supplements

Single vitamins and targeted complexes help support specific health goals alongside a balanced diet. GymStack stocks vitamin D, B12, C, K and specialist blends from pharmacy-grade and sports nutrition brands.

Compare strengths, forms and value across 275+ curated brands.

Explore related hubs: multivitamins, vitamin D, minerals, omega-3. See all brands on our brands A–Z page.

Fast UK delivery — free over £75.

19% off

Trained by JP
Vit C - 120 caps

Sale price £20.99 Regular price £25.99
Unit price£0.17 each

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18% off

Trained by JP
D3 & K2 - 60 caps

Sale price £26.99 Regular price £32.99
Unit price£0.45 each

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20% off

OstroVit
Vitamin D3 4000 - 120 softgels

Sale price £7.99 Regular price £9.99
Unit price£0.07 each

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25% off

OstroVit
Vitamin D3 4000 + K2 - 100 tablets

Sale price £5.99 Regular price £7.99
Unit price£0.06 each

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17% off

OstroVit
Folic Acid - 90 tabs

Sale price £4.99 Regular price £5.99
Unit price£0.06 each

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19% off

Osavi
Vitamin D3 - 2000IU - 120 softgels

Sale price £12.99 Regular price £15.99
Unit price£0.11 each

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18% off

Osavi
Vitamin D3 + K2 - 4000IU + 150mcg - 120 softgels

Sale price £32.99 Regular price £39.99
Unit price£0.27 each

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17% off

Osavi
B-Complex with Choline & Inositol - 60 vegan caps

Sale price £14.99 Regular price £17.99
Unit price£0.25 each

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19% off

Osavi
Vitamin D3 + K2 - 4000IU + 150mcg - 60 softgels

Sale price £16.99 Regular price £20.99
Unit price£0.28 each

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17% off

NOW Foods
Vitamin D - 1000 IU Vegetarian - Dry - 120 vcaps

Sale price £9.99 Regular price £11.99
Unit price£0.08 each

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20% off

NOW Foods
Vitamin D-3 - 1000 IU - 360 softgels

Sale price £15.99 Regular price £19.99
Unit price£0.04 each

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19% off

KIKI Health
Vitamin C - 50 vcaps

Sale price £21.99 Regular price £26.99
Unit price£0.44 each

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30% off

BioTechUSA
Vitamin C 1000 - 100 tablets

Sale price £11.89 Regular price £16.99
Unit price£0.12 each

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21% off

BioTechUSA
Ca D3 K2 - 90 caps

Sale price £10.99 Regular price £13.99
Unit price£0.12 each

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25% off

BetterYou
Vitamin K2 Oral Daily Oral Spray - 25 ml.

Sale price £30.74 Regular price £40.99
Unit price£1,229.60 /L

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19% off

BetterYou
DLux 4000 Daily Vitamin D Oral Spray - Natural Peppermint - 15 ml.

Sale price £16.99 Regular price £20.99
Unit price£1,132.67 /L

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25% off

Allnutrition
Vitamin ADEK - 60 caps

Sale price £5.99 Regular price £7.99
Unit price£0.10 each

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20% off

Allnutrition
Vitamin C with Bioflavonoids - 1000mg - 60 caps

Sale price £7.99 Regular price £9.99
Unit price£0.13 each

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25% off

Allnutrition
Vit D3 4000 + K2 - 60 softgels

Sale price £5.99 Regular price £7.99
Unit price£0.10 each

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21% off

Allnutrition
Vit D3 4000 + K2 Drops - 30 ml.

Sale price £10.99 Regular price £13.99
Unit price£366.33 /L

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25% off

Allnutrition
Vit D3 4000 Drops - 30 ml.

Sale price £5.99 Regular price £7.99
Unit price£199.67 /L

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19% off

Allnutrition
Folic Acid - 600mcg - 100 caps

Sale price £12.99 Regular price £15.99
Unit price£0.13 each

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18% off

Feel Supreme
Feel Supreme Vitamin B Complex 60 Tabs

Sale price £8.99 Regular price £10.99
Unit price£0.15 each

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20% off

Olimp Nutrition
Gold Vit D3 + K2 Sport Edition - 60 caps

Sale price £15.99 Regular price £19.99
Unit price£0.27 each

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25% off

Doctors Best
Natural Vitamin K2 MK7 with MenaQ7 - 45mcg - 180 vcaps

Sale price £44.99 Regular price £59.99
Unit price£0.25 each

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30% off

Doctors Best
Natural Vitamin K2 MK7 with MenaQ7 - 100mcg - 60 vcaps

Sale price £22.39 Regular price £31.99
Unit price£0.37 each

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19% off

BetterYou
DLux Infant Daily Vitamin D Oral Spray - 15 ml.

Sale price £12.99 Regular price £15.99
Unit price£866.00 /L

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20% off

Applied Nutrition
Vitamin D3 - 90 tablets

Sale price £15.99 Regular price £19.99
Unit price£0.18 each

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17% off

OstroVit
Vitamin D3 + K2 - 90 softgels

Sale price £9.99 Regular price £11.99
Unit price£0.11 each

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18% off

Life Extension
Optimized Folate - 1700mcg - 100 vegetarian tabs

Sale price £17.99 Regular price £21.99
Unit price£0.18 each

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17% off

Life Extension
HepatoPro Polyunsaturated Phosphatidylcholine - 900mg - 60 softgels

Sale price £51.99 Regular price £62.99
Unit price£0.87 each

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17% off

Doctors Best
Fully Active Folate 800 with Quatrefolic - 800mcg - 60 vcaps

Sale price £19.99 Regular price £23.99
Unit price£0.33 each

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20% off

Doctors Best
Choline L-Bitartrate - 550mg - 60 vcaps

Sale price £15.99 Regular price £19.99
Unit price£0.27 each

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17% off

Cytoplan
Methylfolate - 60 vcaps

Sale price £18.99 Regular price £22.99
Unit price£0.32 each

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17% off

Nutriburst
Nutriburst Vitamin D3 + K2 60 Gummies Lemon

Sale price £14.99 Regular price £17.99
Unit price£0.25 each

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17% off

Swanson
Vitamin B-12 Methylcobalamin - 5000mcg High Absorption - 60 tabs

Sale price £19.99 Regular price £23.99
Unit price£0.33 each

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19% off

Swanson
Vitamin C with Rose Hips Extract - Timed-Release - 1000mg - 250 tablets

Sale price £25.99 Regular price £31.99
Unit price£0.10 each

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18% off

Swanson
Inositol Powder - 100% Pure - 227g

Sale price £32.99 Regular price £39.99
Unit price£145.33 /kg

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20% off

OstroVit
Vitamin C 1000 - Lemon - 20 effervescent tabs

Sale price £3.99 Regular price £4.99
Unit price£0.20 each

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30% off

NOW Foods
Vitamin E-200 - Natural (Mixed Tocopherols) - 100 softgels

Sale price £13.99 Regular price £19.99
Unit price£0.14 each

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18% off

NOW Foods
Vitamin D-3 & K-2 - 120 caps

Sale price £13.99 Regular price £16.99
Unit price£0.12 each

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17% off

NOW Foods
Vitamin D-3 - 5000 IU - 120 softgels

Sale price £9.99 Regular price £11.99
Unit price£0.08 each

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18% off

NOW Foods
Vitamin D-3 - 5000 IU (Chewable) - 120 chewables

Sale price £13.99 Regular price £16.99
Unit price£0.12 each

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20% off

NOW Foods
Vitamin B-50 - 100 vcaps

Sale price £15.99 Regular price £19.99
Unit price£0.16 each

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19% off

NOW Foods
Vitamin C-500 Calcium Ascorbate-C - 250 caps

Sale price £21.99 Regular price £26.99
Unit price£0.09 each

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20% off

NOW Foods
Vitamin C-500 Calcium Ascorbate-C - 100 caps

Sale price £11.99 Regular price £14.99
Unit price£0.12 each

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17% off

NOW Foods
Vitamin B-100 - 250 vcaps

Sale price £56.99 Regular price £68.99
Unit price£0.23 each

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17% off

NOW Foods
Sodium Ascorbate - Powder Buffered - 227g

Sale price £14.99 Regular price £17.99
Unit price£66.04 /kg

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19% off

NOW Foods
PABA - 500mg - 100 caps

Sale price £12.99 Regular price £15.99
Unit price£0.13 each

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19% off

NOW Foods
P-5-P - 50mg - 90 vcaps

Sale price £20.99 Regular price £25.99
Unit price£0.23 each

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