1 / 5Vitabiotics Ultra Vitamin C 500 mg Slow-Release Tablets, 120
Slow-Release: Vitabiotics Ultra Vitamin C is a sustained-release tablet supplement providing 500 mg vitamin C and 25 mg citrus bioflavonoids per tablet. The listing describes it as vegan and gives directions for one or two tablets daily, swallowed whole with water or a cold drink.
At a glance
- Each tablet is listed as containing 500 mg vitamin C and 25 mg citrus bioflavonoids.
- Sustained-release formulation is described as providing vitamin C gradually throughout the day.
- Listing states vitamin C contributes to normal immune and nervous system function, normal energy-yielding metabolism and collagen formation.
- Directions call for swallowing without chewing, once or twice daily.
Reference price: £10.85
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Combines vitamin C with citrus bioflavonoids in a sustained-release tablet.
- Vegan formulation according to the listing, with a 120-tablet pack.
- Flexible stated intake of one or two tablets daily.
Cons
- Must be swallowed whole rather than chewed, which may not suit people who prefer chewable supplements.
Technical specifications
20 specifications| Brand | Vitabiotics Ultra |
|---|---|
| Model | Vitabiotics Ultra Vitamin C Tablets |
| Form | Tablet |
| Supplement type | Citrus Bioflavonoids, Vitamin C |
| Diet type | Vegan |
| Flavour | Orange |
| Age range | Adult |
| Model number | SRC120T1WLE |
| Vitamin C per tablet | 500 mg |
|---|---|
| Citrus bioflavonoids per tablet | 25 mg |
| Release formulation | Sustained-release |
| Directions | One or two tablets per day. Swallow with water or a cold drink. Not to be chewed. Do not exceed the recommended intake. |
| Ingredients | Vitamin C (ascorbic acid), carrier (hydroxypropylmethylcellulose), bulking agents (dibasic calcium phosphate, microcrystalline cellulose), sustained release agent (hydroxypropylmethylcellulose), citrus bioflavonoids, anti-caking agents (magnesium stearate, silicon dioxide), xanthan gum |
| Free from claims | Gluten Free, Lactose Free, No Artificial Flavors, No preservatives, Yeast Free |
| Pack quantity | 120 tablets |
|---|---|
| Container type | Box |
| Country of origin | United Kingdom |
| Listed dimensions | 35 x 35 x 146 millimetres |
| Listed weight | 20 Grams |
| Allergen information | Contains: Peanuts may contain |
What to know before buying
- Follow the stated intake and do not exceed it. The listing advises seeking professional advice before use if pregnant, breastfeeding, under medical supervision, affected by food allergies or allergic to any ingredient. Food supplements should not replace a varied, balanced diet and healthy lifestyle.
Listing details to confirm
Customer feedback describes the taste and tablet size inconsistently, so the orange flavour and ease of swallowing may not suit everyone.
Who is it for?
Customer reviews on Amazon
- 5 stars
78% 78% - 4 stars
14% 14% - 3 stars
5% 5% - 2 stars
1% 1% - 1 star
2% 2%
Customer feedback is generally favourable about quality, perceived value and ease of daily use, with some customers reporting perceived immune support. Taste and tablet size draw mixed reactions. The listed tablet format and instruction to swallow whole make those differences relevant if flavour or swallowing ease matters to you. These are customer perceptions, not evidence that the supplement prevents illness or produces a specific outcome.
Positive themes
- Customers describe the product as good quality and reasonably priced.
- Some customers report finding it easy to take daily and perceive immune support.
Mixed feedback
- Taste reports vary, from pleasant to unpleasant.
- Tablet size is subjective, with some finding the tablets small enough to swallow and others finding them rather large.
Frequently asked questions
How much vitamin C is in each tablet?
The listing states 500 mg vitamin C and 25 mg citrus bioflavonoids per tablet.
How should the tablets be taken?
The directions specify one or two tablets per day with water or a cold drink. Swallow without chewing and do not exceed the recommended intake.
Is this supplement suitable for vegans?
The listing describes the diet type as vegan.
What do customers report about flavour and tablet size?
Feedback is mixed. Some find the flavour pleasant while others dislike it, and reports differ on whether the tablets are small or rather large.

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