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Hair Growth Complex

9 clinically effective ingredients — including AnaGain, marine collagen and biotin — to address thinning, support growth rate and improve overall hair quality.

  • 9 active ingredients, working through four different mechanisms
  • Contains AnaGain, a clinically studied pea sprout extract
  • Best results typically seen within 6–12 months of daily use
Add to Cart
Free UK delivery on orders over £40. Cancel or switch anytime.

*Valid with 6-month plans.

AnaGain clinical study

Hair loss reduced by 34% after just 1 month

AnaGain - a pea sprout extract - is one of the most exciting natural ingredients in hair loss, and one of nine actives in Hair Growth Complex.

What's inside

Everything your hair needs. Nothing it doesn't.

Designed by our medical team to contain all the nutrients your hair needs to thrive. No filler ingredients.

Hair Growth Complex capsule with ingredient graphics
  • AnaGain™
    A natural, sustainable pea-sprout extract shown to support fuller, thicker-looking hair.
  • Marine Collagen
    Protects and strengthens the hair follicle from within.
  • Saw Palmetto
    A natural DHT blocker that supports a healthy scalp and hair.
  • Biotin
    Essential for energy production, and for healthy skin, hair and nails.
  • Acerola Cherry / Vitamin C
    A rich source of vitamin C to support overall hair health.
  • L-Lysine
    An amino acid that helps shape and volumise hair.
  • Magnesium
    Promotes hair growth by helping regulate the hair growth cycle.
  • Zinc
    Supports the anagen (growth) stage of the hair growth cycle.
  • Copper
    Boosts collagen and elastin, enhancing overall hair quality.
Sons Hair Growth Complex
AnaGain™
A natural, sustainable pea-sprout extract shown to support fuller, thicker-looking hair.
Marine Collagen
Protects and strengthens the hair follicle from within.
Saw Palmetto
A natural DHT blocker that supports a healthy scalp and hair.
Biotin
Essential for energy production, and for healthy skin, hair and nails.
Acerola Cherry / Vitamin C
A rich source of vitamin C to support overall hair health.
L-Lysine
An amino acid that helps shape and volumise hair.
Magnesium
Promotes hair growth by helping regulate the hair growth cycle.
Zinc
Supports the anagen (growth) stage of the hair growth cycle.
Copper
Boosts collagen and elastin, enhancing overall hair quality.
✓ 9 active ingredients
✓ GPhC regulated pharmacy
✓ Free UK delivery over £40
✓ Discreet packaging
✓ Cancel anytime
How it works

Four mechanisms, one goal

Rather than a single active ingredient, Hair Growth Complex works on hair health from several angles at once.

AnaGain & Marine Collagen

Supports growth & density

AnaGain has been studied for its effect on hair growth, while marine collagen protects and strengthens the follicle from within.

Saw Palmetto

Helps limit DHT

A natural DHT blocker that supports a healthy scalp environment — the same hormone pathway targeted by Sons' prescription treatments.

Biotin, Zinc & Copper

Strengthens hair

Biotin and zinc contribute to normal hair structure, while copper supports collagen and elastin for overall hair quality.

L-Lysine, Magnesium & Vitamin C

Builds the raw materials

Amino acids and micronutrients that shape and volumise hair, and regulate the natural hair growth cycle.

The details

Supplement facts

Two capsules, once a day — designed to slot into a morning or evening routine without any fuss.

Active ingredient Amount per serving (2 capsules)
AnaGain™ 50mg
Marine Collagen 500mg
Saw Palmetto 200mg
Biotin 5000mcg
Acerola Cherry / Vitamin C 80mg
L-Lysine 300mg
Magnesium 100mg
Zinc 10mg
Copper 1mg

*Placeholder quantities — to be confirmed against pack. Full quantities and %NRV are listed on pack. A 60-capsule pot is a 30-day supply at the recommended dose.

2 capsules
daily
With a meal
for best absorption
Every day
consistency is key

Food supplements should not be used as a substitute for a varied and balanced diet and healthy lifestyle. Consult your doctor before use if you take medication or are hypersensitive to any ingredient.

Why this, not a generic hair vitamin

Hair Growth Complex vs. typical supplements

Hair Growth Complex
Others
9 active ingredients across multiple mechanisms
Contains AnaGain, a clinically studied active
Formulated & sold by a GPhC-regulated pharmacy
Pairs with a prescription hair loss plan
Flexible subscription — pause, swap or cancel
What to expect

Consistency is what gets results

01

Weeks 1–4

Take two capsules daily with a meal. It becomes part of the routine — this is the stage where consistency matters most.

02

Months 2–6

The ingredients continue building on hair strength and follicle health. Most men start noticing a difference here.

03

Months 6–12

Best results are typically seen following 12 months of continuous use, particularly alongside a treatment plan.

Formulated with clinical oversight

Backed by our Medical Director

Dr Knut Moe

Dr Knut Moe

Medical Director, Sons

Each ingredient in Hair Growth Complex has been chosen for a specific role in hair health, from AnaGain and marine collagen supporting growth and follicle strength, to saw palmetto helping limit DHT, through to the biotin, zinc and copper that maintain normal hair structure day to day.
2,500+ 5-star reviews

What our customers say

★★★★★

Noticed less shedding within a couple of months, and my hair feels fuller.

James — Verified Sons Customer

Hair Growth Complex

★★★★★

Easy to fit into my morning routine, and it pairs well with the Oral Tablet.

Michael — Verified Sons Customer

Oral Tablet + Minoxidil Combo

★★★★★

Took about 4 months to notice, but the difference in thickness is real.

Tom — Verified Sons Customer

Hair Growth Complex

Frequently asked questions

Is this plan right for me?+

Taken on its own or alongside one of our hair loss treatment plans, Hair Growth Complex contains nine ingredients that can strengthen your hair and enhance its vitality and growth rate. It's suitable for men of all ages.

How do I take it?+

Take two capsules together daily with a meal, as part of a balanced and healthy lifestyle. Consistency is key — keep up your routine to see the best results.

Delivery & returns+

Free delivery on any order over £40 (£2.99 fee under that), shipped via Royal Mail 3–5 day tracked delivery. Non-medicinal products can be returned unopened in original packaging.

Why a subscription?+

Results take time — usually 6 to 12 months — so every Sons treatment is delivered on a subscription. You can pause, customise or cancel at any time, with ongoing support from our clinical team.

Show hair loss who's boss.

Add to Cart — £16.80/mo
Free Sons Travel Kit — choose a selected 6-month plan and get 40% off plus the Sons Travel Kit, containing a wash bag, pill case and 2 travel bottles