High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets
by Holland & Barrett
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Holland & Barrett's High Strength Effervescent Vitamin C & Zinc is a fizzy immune support supplement combining 1,000 mg vitamin C with 15 mg zinc per tablet. Best for Winter immune support seekers who want convenient, daily supplementation and People sensitive to other vitamin C/zinc brands due to fillers or additives.
According to the AIScored 0–100 scoring system, High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets by Holland & Barrett scores 70.0/100, ranking #13 out of 28 products in Immune Support (2026). Strongest category: Side Effects (90.0/100). Weakest: Certifications (40.0/100).
Is High Strength Effervescent Vit C... worth buying?
“Holland & Barrett's High Strength Effervescent Vitamin C & Zinc gives you 1,000 mg of vitamin C with 15 mg zinc in a pleasant-tasting orange fizz, without any synthetic aftertaste. Scoring 70/100, it's particularly well-tolerated by anyone sensitive to problematic fillers, which reviewers attributed to the use of gentler maize starch rather than harsh additives.”
What Do Reviewers Say About High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets?
Sample excerpts from currently available source material used in this product analysis.
"Works well. I have been taking these for a week and did help gave me more energy in the mornings"
"Gentle. I have had to buy these as other brands seem to give me headaches. I believe it may be the maize starch as i am gluten sensitive. Tis brand i have not had any problems woth at all!"
"Surprised me. I've had similar of these from different brands and they have had sharp funny flavours to them. But these are really lovely and have a great flavour. Definitely no synthetic taste or lingering ulghky tastes. I will definitely..."
How does High Strength Effervescent Vit C & Zi... score?
Detailed score breakdown and key findings from our analysis of 4 reviews across 1 source.
Pros
- +Pleasant, natural orange flavor with no synthetic or lingering aftertaste (mentioned by multiple reviewers)
- +High vitamin C dose (1,000 mg) paired with meaningful zinc level (15 mg) for immune support
- +Gentle formulation; well-tolerated by users sensitive to other brands, possibly due to maize starch rather than problematic fillers
- +Effervescent/fizzy format offers convenience and palatability for daily supplementation
- +Reportedly improves energy levels and supports winter immune health per reviewer feedback
Cons
- -Not vegan (contains non-vegan ingredients, likely shellfish-derived calcium carbonate or similar)
- -No third-party testing or external certifications listed; relies on Holland & Barrett's internal quality standards
- -Limited review sample (only 4 reviews) restricts statistical confidence in reported benefits
- -No mention of bioavailability optimization or chelation; simple effervescent format may not maximize absorption vs. more advanced delivery systems
Best For
Watch Out
- !Not suitable for vegans due to non-vegan binding/carbonation agents
- !High vitamin C (1,000 mg per tablet) may cause loose stools or GI upset in sensitive individuals if taken daily; consider tolerance or alternate dosing
- !No third-party verification; quality assurance depends entirely on Holland & Barrett's manufacturing standards
- !Limited clinical evidence specific to this exact formulation; benefits inferred from individual ingredient research rather than product-specific trials
What is High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets?
High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets is a immune support product by Holland & Barrett, scoring 70.0/100 on AIScored.
- • Body benefitsYou will love our sparkling combo – vitamin C meets zinc in these high-strength effervescent tablets, which dissolve to create a delicious drink.
- • The nutrients work in tandem to support the immune system.
- • With vitamin C to give support from skin and gums to bones and cartilage, our expert nutrition team has packed love into each fizzy tablet.
- • What makes it special “Our effervescent tablet packs 1,000 mg vitamin C plus 15 mg zinc – a combination that not only supports your immune system, but also helps to reduce tiredness, supports collagen formation and contributes to normal energy metabolism,” says our nutritionist.
- • Dissolved in water, it creates a refreshing, orange-flavoured drink that some people prefer to swallowing tablets.
- • Or as our nutritionist puts it: “Together, vitamin C and zinc in this refreshing format provides a simple way to support your immune system, sip by sip.” How to takeJust pop a tablet into a glass of water and watch it fizz Perfect in the morning or mid-afternoon, preferably with a meal.
Is High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets Independently Tested?
No Third-Party Testing Visible
We could not find evidence of independent third-party testing for this product. This doesn't mean it's unsafe, but independent verification provides additional assurance.
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
How Does High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets Compare?
See how this product stacks up against the top-rated immune support in our database.
| Product | Score | Price |
|---|---|---|
| High Strength Effervescent Vit C... (this) | 70.0 | £3.49 |
| A. Vogel Echinaforce Sore Throat... | 76.0 | £14.49 |
Price History (90 days)
Quick Facts
- Vegan
- No
Frequently Asked Questions
Is High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets worth buying in 2026? ▼
What is the best price for High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets in the UK? ▼
What are the pros and cons of High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets? ▼
Is High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets third-party tested? ▼
How does High Strength Effervescent Vit C & Zinc Orange Flavour 20 Tablets compare to A. Vogel Echinaforce Sore Throat Spray 30ml? ▼
Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
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