Search online for hair supplements and you'll find hundreds of products claiming to reduce hair loss, encourage regrowth or give you thicker, healthier hair. From supermarket own-brands to celebrity-backed formulas, the choice can feel overwhelming.
The truth is that while many products come and go, a small number have consistently remained at the premium end of the market for years.
After reviewing dozens of hair supplements, four names continually stand out: HR23+, Viviscal, Nutrafol and TRX2. They're often referred to as "the big four".
Each takes a slightly different approach, but all have built strong reputations through formulation quality, customer loyalty and longevity rather than simply following the latest trend.
What Makes These Four Different?
There are several reasons why these supplements consistently appear at the top of discussions about hair nutrition.
Unlike many newer products, they have established track records, comprehensive formulations or unique scientific approaches, and have remained popular long after many competing supplements have disappeared.
While no supplement can guarantee results for everyone, these four have demonstrated remarkable staying power in an increasingly crowded marketplace.
They also share several important characteristics:
- High-quality formulations
- Premium ingredients
- Capsule delivery rather than gummies
- Transparent ingredient lists
- Established customer bases
- Long-term availability
- Strong manufacturing standards
Those qualities don't guarantee success, but they do help separate them from many generic hair vitamins.
HR23+ Hair Restoration Supplement ⭐⭐⭐⭐⭐
Best Overall Value
HR23+ has quietly become one of the UK's longest-established premium hair supplements.
Rather than relying on one or two fashionable ingredients, it combines 23 vitamins, minerals, amino acids and botanical extracts into a comprehensive capsule formula designed to support healthy hair from multiple angles.
Its formulation includes ingredients associated with normal hair maintenance alongside botanical extracts commonly used in hair nutrition, making it one of the broadest formulas currently available.
Perhaps its biggest strength is value for money. Despite competing with products at the premium end of the market, HR23+ remains considerably more affordable than some rivals, making it a realistic long-term option for many people.
Pros
- Comprehensive 23-ingredient formulation
- Suitable for men and women
- Broad nutritional approach
- Excellent value compared with many premium brands
- Over a decade of customer use
- Capsule formulation with no added sugars or sweeteners
Cons
- Costs more than basic high-street multivitamins
Rating: ⭐⭐⭐⭐⭐
Viviscal ⭐⭐⭐⭐☆
Best Established Clinical Reputation
Viviscal is arguably one of the best-known hair supplements worldwide.
It has been available for many years and has attracted attention through studies involving its proprietary marine complex, helping establish its reputation among consumers looking for nutritional support for thinning hair.
Its formula is more focused than some competitors, relying heavily on its signature marine ingredient alongside vitamins and minerals.
Although newer formulations have introduced a wider variety of botanical extracts, Viviscal continues to earn its place among the market leaders because of its long history and strong brand recognition.
Pros
- Long-established global brand
- Strong clinical heritage
- Well recognised by consumers
- Easy to find internationally
Cons
- More limited botanical profile than some competitors
- Marine-derived ingredients won't suit everyone
Rating: ⭐⭐⭐⭐☆
Nutrafol ⭐⭐⭐⭐☆
Best Premium Botanical Formula
Nutrafol has become one of the fastest-growing premium hair supplement brands, particularly in North America.
Its formulation places a strong emphasis on botanical ingredients, alongside vitamins and minerals, with the aim of supporting hair through multiple biological pathways.
The formula is undoubtedly impressive and has helped establish Nutrafol as one of the premium names within the industry.
Its biggest drawback is price.
Among the leading supplements available today, Nutrafol is also one of the most expensive, making long-term use a significant investment.
Pros
- Premium botanical formulation
- Comprehensive ingredient profile
- High manufacturing standards
- Strong brand reputation
Cons
- One of the most expensive supplements available
- Long-term use may not suit every budget
Rating: ⭐⭐⭐⭐☆
TRX2 ⭐⭐⭐☆☆
Best Targeted Nutritional Approach
TRX2 stands apart because it takes a noticeably different approach.
Instead of including dozens of ingredients, it focuses on a relatively small number of nutrients associated with normal cellular function.
Some users prefer this more targeted strategy, while others may favour the broader nutritional support offered by comprehensive multi-ingredient formulas.
Although it contains fewer ingredients than the other products reviewed here, TRX2 has built a loyal following and deserves recognition as one of the premium names in hair supplementation.
Pros
- Distinct scientific approach
- Targeted formulation
- Long-standing premium reputation
Cons
- Narrower ingredient profile than competitors
- Less comprehensive nutritional coverage
Rating: ⭐⭐⭐☆☆
Why Aren't Hair Gummies Included?
Hair gummies have exploded in popularity over the last few years, largely because they're enjoyable to take and heavily promoted on social media.
However, when it comes to nutritional formulation, gummies remain at a disadvantage.
Much of each gummy is taken up by sugars, sweeteners, flavourings and gelling agents, leaving considerably less room for active ingredients than capsule formulations.
For people serious about supporting healthy hair, capsules remain the more practical option.
What Do These Four Have in Common?
Although each supplement has its own philosophy, they all share several characteristics that help explain their longevity.
Rather than relying on marketing hype, they focus on formulation quality, ingredient selection and long-term customer satisfaction.
Each has remained available for many years, suggesting they've earned the trust of consumers in an industry where new products frequently appear and disappear.
That consistency shouldn't be overlooked.
Should You Simply Buy the Most Expensive?
No.
Higher prices often reflect better ingredients, improved manufacturing standards and more comprehensive formulations, but cost alone doesn't determine quality.
The best approach is to compare:
- Ingredient profile
- Dosages
- Manufacturing quality
- Independent customer reviews
- Overall value for money
- Longevity of the product
A supplement that delivers excellent nutrition at a sensible price often represents better value than one that simply carries a premium label.
Our Verdict
The hair supplement market has never been more crowded, yet only a handful of products have consistently maintained premium reputations over many years.
HR23+, Viviscal, Nutrafol and TRX2 continue to stand out because they've focused on formulation rather than short-lived trends. Each has its own strengths, and all deserve consideration depending on your priorities and budget.
If your priority is clinical heritage, Viviscal remains a strong choice. If you're looking for a premium botanical formula, Nutrafol is difficult to ignore. Those who prefer a more targeted nutritional approach may favour TRX2.
For overall formulation, ingredient diversity and value for money, however, HR23+ edges ahead, offering one of the most comprehensive formulas available while remaining significantly more affordable than some of its premium competitors.
Overall Ratings
| Supplement | Rating | Best For |
|---|---|---|
| HR23+ Hair Restoration Supplement | ⭐⭐⭐⭐⭐ | Best overall formulation and value |
| Viviscal | ⭐⭐⭐⭐☆ | Best established clinical reputation |
| Nutrafol | ⭐⭐⭐⭐☆ | Best premium botanical formula |
| TRX2 | ⭐⭐⭐☆☆ | Best targeted nutritional approach |



