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The Science

Rooted in

evidence.

Every ingredient in every RootReva formula is there for a reason — named, dosed, and backed by published research. No proprietary blends. No hidden underdosing. This is what formulating with integrity looks like.

10,000

µg Biotin per serving

200mg

Saw Palmetto 45% FA

8–12

Weeks to visible results

Primary mechanism

Follicle Support - Saw Palmetto & Scalp Health

Dihydrotestosterone miniaturises hair follicles over time. Saw Palmetto at 200mg (45% fatty acids) inhibits 5-alpha reductase — the enzyme that converts testosterone to DHT — protecting follicles at the source.

01 — Keratin

Structural protein synthesis

Biotin at 10,000µg supports the production of keratin — the protein hair is literally built from.

02 — Silica

Shaft integrity

Bamboo Extract (80mg) and Horsetail (200mg) deliver natural silica to strengthen the strand from root to tip.

03 — Amino acids

Keratin building blocks

L-Cysteine (120mg) and L-Methionine (150mg) are the sulphur amino acids hair is made from.

04 — Circulation

Scalp blood flow

Ginkgo Biloba (60mg, ≥24% flavones) and Nettle Root (100mg) support microcirculation to the scalp.

Ingredient transparency

Named. Dosed. Verified.

We don't write "a powerful blend of natural extracts." Every ingredient below is named, dosed, and included for a specific biological reason.

Quality is not an act, it is a habit.

Learn More

DHT Protection

Saw Palmetto & Nettle Root help support healthy DHT balance linked to hair thinning and shedding.

Hair Structure Support

Biotin, L-Cysteine & L-Methionine help strengthen keratin production for thicker, healthier-looking hair.

Scalp & Follicle Health

Ginkgo Biloba and Panax Ginseng support scalp circulation and healthy follicle activity.

Essential Nutrient Blend

Silica, Zinc, Selenium, Vitamin D3, B12 & Folate help nourish hair from within and support growth resilience.

Change happens below the surface first.

Hair grows at approximately 1–1.5cm per month. Visible results take time — but the biology starts changing from week one.

Weeks 1–2

Follicle nourishment begins

Weeks 3–4

DHT reduction begins

Weeks 5–8

Reduced breakage. Stronger roots.

Weeks 9–12

Density returns. Visibly.

Quality standard

The standard we refuse to compromise on.

GMP certified manufacturing

Produced in a UK facility certified to Good Manufacturing Practice (GMP) standards. Every batch is made to the same exacting process — no variation, no shortcuts.

Third-party tested

Every batch is independently tested for purity and potency. What the label says is what's in the capsule. No fillers, no underdosing, no contamination.

No proprietary blends

Proprietary blends allow brands to list impressive ingredients in tiny, ineffective amounts. Every dose in our formula is declared on the label — because transparency is not optional.

100% vegan capsules

Hypromellose vegetarian capsule — no gelatin, no animal-derived ingredients. Non-GMO, gluten-free, and produced in a dedicated facility following strict allergen protocols.

How we compare

The formula tells
the whole story.

Dose matters as much as the ingredient list. Here is how RootReva's Advanced Hair Growth Complex compares on what actually counts.

Feature	RootReva Our Formula	Hairburst	Perfectil	Viviscal
Biotin dose	10,000µg (20,000% NRV)	2,500µg	500µg	Not disclosed
DHT blocking ingredient	✓ Saw Palmetto 200mg	✗ None	✗ None	✗ None
Silica source	✓ Bamboo 80mg + Horsetail 200mg	Horsetail only	None	None
Sulphur amino acids	✓ L-Cysteine 120mg + L-Methionine 150mg	L-Cysteine only	None	None
Doses declared on label	✓ All ingredients named & dosed	✗ Partial	✓ Yes	✗ Proprietary blend
UK GMP certified	✓ Yes	✓ Yes	✓ Yes	✓ Yes
100% Vegan	✓ Yes	✓ Yes	✗ No (gelatin)	✗ No (marine protein)

Competitor information is based on publicly available product labels and ingredient lists as of May 2026. RootReva Limited makes no claim as to the quality or efficacy of competitor products.