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Higher NatureAmino acids & derivatives

Serotone 5HTP 100mg, 30 capsules

£13.45 for 30 capsules at Higher Nature. It carries more than one active ingredient, so it is not ranked against single-ingredient products. Each price below counts one ingredient only.

What it really costs, per 100 mg45pOne 100 mg dose is our comparison unit for 5-HTP. It is not a recommendation.
A day45p
A week£3.14
A month£13.45
A year£163.64

At one 100 mg dose a day, this pack lasts 30 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

5-HTP

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 100 mg = 3 g
  • £13.45 ÷ 3 g × 100 mg = 44.8p per 100 mg
  • A week 44.8p × 7 = £3.14 · a month × 30 = £13.45 · a year × 365 = £163.64
  • Amount per serving: stated on the label.

Biotin

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 50 µg = 1.5 mg
  • £13.45 ÷ 1.5 mg × 5 mg = £44.83 per 5 mg
  • A week £44.83 × 7 = £313.83 · a month × 30 = £1345.00 · a year × 365 = £16364.17
  • Amount per serving: stated on the label.

Folate

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 100 µg = 3 mg
  • £13.45 ÷ 3 mg × 400 µg = £1.79 per 400 µg
  • A week £1.79 × 7 = £12.55 · a month × 30 = £53.80 · a year × 365 = £654.57
  • Amount per serving: stated on the label.

Niacin (vitamin B3)

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 30 mg = 900 mg
  • £13.45 ÷ 900 mg × 500 mg = £7.47 per 500 mg
  • A week £7.47 × 7 = £52.31 · a month × 30 = £224.17 · a year × 365 = £2727.36
  • Amount per serving: stated on the label.

Vitamin B6

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 10 mg = 300 mg
  • £13.45 ÷ 300 mg × 50 mg = £2.24 per 50 mg
  • A week £2.24 × 7 = £15.69 · a month × 30 = £67.25 · a year × 365 = £818.21
  • Amount per serving: stated on the label.

Zinc

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 5 mg = 150 mg
  • £13.45 ÷ 150 mg × 15 mg = £1.34 per 15 mg zinc
  • A week £1.34 × 7 = £9.41 · a month × 30 = £40.35 · a year × 365 = £490.93
  • Amount per serving: stated on the label.

The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.

How it compares: 5-HTP

All 9, ranked →
5-HTP Capsules 100mgCheapest per 100 mgBulk · 100 mg a serving · £3.89 a month · a pack lasts 9 months13p£34.99View at Bulk (opens in a new tab)
5-HTP Capsules 100mgBulk · 100 mg a serving · £4.66 a month · a pack lasts 3 months16p£13.99View at Bulk (opens in a new tab)
ZipVit5-HTP Griffonia Seed Extract 750mgZipVit · 61.3 mg a serving · £4.90 a month · a pack lasts 4 months16p£17.99View at ZipVit (opens in a new tab)
Higher NatureThis productHigher Nature · 100 mg a serving · £13.45 a month · a pack lasts 30 days45pshown above

Ranked purely by price per 100 mg. 10 combination products also contain 5-HTP.

How it compares: biotin

All 20, ranked →
WeightWorldBiotin Vitamin B7 TabletsCheapest per 5 mgWeightWorld · 12 mg a serving · 34p a month · a pack lasts 2.4 years1p£9.99View at WeightWorld (opens in a new tab)
VitaBrightBiotin Hair Growth SupplementVitaBright · 12 mg a serving · 62p a month · a pack lasts 2.6 years2p£19.99View at VitaBright (opens in a new tab)
VitaBrightBiotin Tablets with CoconutVitaBright · 12 mg a serving · 62p a month · a pack lasts 2.6 years2p£19.99View at VitaBright (opens in a new tab)
Higher NatureThis productHigher Nature · 50 µg a serving · £1345.00 a month · a pack lasts under a day£44.83shown above

Ranked purely by price per 5 mg. 244 combination products also contain biotin.

How it compares: folic acid

All 16, ranked →
Folic AcidCheapest per 400 µgHealf · 800 µg a serving · 34p a month · a pack lasts 1.4 years1p£5.73View at Healf (opens in a new tab)
ZipVitFolic Acid 400mcgZipVit · 400 µg a serving · 75p a month · a pack lasts 12 months2p£8.99View at ZipVit (opens in a new tab)
AlmusFolic Acid 400UG 6 90 TabletLloyds Pharmacy · 400 µg a serving · 76p a month · a pack lasts 3 months3p£2.29View at Lloyds Pharmacy (opens in a new tab)
Higher NatureThis productHigher Nature · 100 µg a serving · £53.80 a month · a pack lasts 8 days£1.79shown above

Ranked purely by price per 400 µg. 144 combination products also contain folate.

How it compares: niacin (vitamin B3)

Compare every product in this form →
HealthAidVitamin B3 250mg 90 TabletsCheapest per 500 mgLloyds Pharmacy · 250 mg a serving · £7.35 a month · a pack lasts 45 days25p£11.03View at Lloyds Pharmacy (opens in a new tab)
Higher NatureThis productHigher Nature · 30 mg a serving · £224.17 a month · a pack lasts 2 days£7.47shown above

Ranked purely by price per 500 mg. 116 combination products also contain niacin (vitamin B3).

How it compares: vitamin B6 pyridoxine HCl

All 6, ranked →
ZipVitVitamin B6 50mgCheapest per 50 mgZipVit · 50 mg a serving · £1.00 a month · a pack lasts 12 months3p£11.99View at ZipVit (opens in a new tab)
Vitamin B6 Tablets 50mgSimply Supplements · 50 mg a serving · £1.11 a month · a pack lasts 12 months4p£13.29View at Simply Supplements (opens in a new tab)
Vitamin B6 100mgHealf · 100 mg a serving · £1.39 a month · a pack lasts 7 months5p£9.25View at Healf (opens in a new tab)
Higher NatureThis productHigher Nature · 10 mg a serving · £67.25 a month · a pack lasts 6 days£2.24shown above

Ranked purely by price per 50 mg. 280 combination products also contain vitamin B6.

How it compares: other forms of zinc

All 25, ranked →
Zinc 50mgCheapest per 15 mg zincHealf · 50 mg a serving · 84p a month · a pack lasts 10 months3p£8.44View at Healf (opens in a new tab)
Zinc Complex 360 TabletsHealthspan · 15 mg a serving · £1.08 a month · a pack lasts 12 months4p£12.99View at Healthspan (opens in a new tab)
Zinc Transporters TabletsHealf · 22 mg a serving · £1.13 a month · a pack lasts 4 months4p£4.99View at Healf (opens in a new tab)
Higher NatureThis productHigher Nature · 5 mg a serving · £40.35 a month · a pack lasts 10 days£1.35shown above

Ranked purely by price per 15 mg zinc. 149 combination products also contain zinc.

On the label

5-HTP · 5-HTP
100 mg per serving (stated on the label)
Biotin · Biotin
50 µg per serving (stated on the label)
Pack
30 capsules · 30 servings · 1 capsule(s) a serving
Cost per serving
45p (30 servings in the pack)
More label details
Folate · Folic acid
100 µg per serving (stated on the label)
Niacin (vitamin B3) · Niacin (nicotinic acid)
30 mg per serving (stated on the label)
Vitamin B6 · Pyridoxine HCl
10 mg per serving (stated on the label)
Zinc · Other forms
5 mg per serving (stated on the label)
Sold by
Higher Nature
What the listing says
“30 Capsules” · “One capsule typically provides” · “5-HTP (L-5-hydroxytryptophan) ; 100mg”
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One 100 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 9 October 2026. Checked on 1 day, most recently 9 October 2026.

Price at every check
£13.45Higher Nature
First recorded
£13.459 Oct
Checked on
1 daysince 9 Oct

Checked once so far, on 9 October 2026.

  1. First checked at Higher Nature: £13.45

Questions about this product

How much does Higher Nature Serotone 5HTP 100mg cost per 100 mg?

45p per 100 mg, from £13.45 for 30 capsules at Higher Nature, checked on 9 October 2026.

How long does one pack last?

30 days at one 100 mg dose. The pack holds 3 g in total.

How much does Higher Nature Serotone 5HTP 100mg cost per 5 mg?

£44.83 per 5 mg, from £13.45 for 30 capsules at Higher Nature, checked on 9 October 2026.

How long does one pack last?

under a day at one 5 mg dose. The pack holds 1.5 mg in total.

How much does Higher Nature Serotone 5HTP 100mg cost per 400 µg?

£1.79 per 400 µg, from £13.45 for 30 capsules at Higher Nature, checked on 9 October 2026.

How long does one pack last?

8 days at one 400 µg dose. The pack holds 3 mg in total.

How much does Higher Nature Serotone 5HTP 100mg cost per 500 mg?

£7.47 per 500 mg, from £13.45 for 30 capsules at Higher Nature, checked on 9 October 2026.

How long does one pack last?

2 days at one 500 mg dose. The pack holds 900 mg in total.

How much does Higher Nature Serotone 5HTP 100mg cost per 50 mg?

£2.24 per 50 mg, from £13.45 for 30 capsules at Higher Nature, checked on 9 October 2026.

How long does one pack last?

6 days at one 50 mg dose. The pack holds 300 mg in total.

How much does Higher Nature Serotone 5HTP 100mg cost per 15 mg zinc?

£1.35 per 15 mg zinc, from £13.45 for 30 capsules at Higher Nature, checked on 9 October 2026.

How long does one pack last?

10 days at one 15 mg dose. The pack holds 150 mg in total.

About Higher Nature

All 81 Higher Nature products, priced per dose

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