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Home › General health ingredients › Spermidine

Oxford HealthspanGeneral health ingredients

Primeadine® GF Gluten-Free Spermidine, 60 tablets

£71.45 for 60 tablets at Healf. 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 1 mg£1.49One 1 mg dose is our comparison unit for spermidine. It is not a recommendation.
A day£1.49
A week£10.42
A month£44.66
A year£543.32

At one 1 mg dose a day, this pack lasts 48 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Spermidine

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 1.6 mg = 48 mg
  • £71.45 ÷ 48 mg × 1 mg = £1.49 per 1 mg
  • A week £1.49 × 7 = £10.42 · a month × 30 = £44.66 · a year × 365 = £543.32
  • Amount per serving: active constituent content stated on the label (or its stated percentage of the extract).

Biotin

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 3.37 µg = 101.1 µg
  • £71.45 ÷ 101.1 µg × 5 mg = £3533.63 per 5 mg
  • A week £3533.63 × 7 = £24735.41 · a month × 30 = £106008.90 · a year × 365 = £1289774.98
  • Amount per serving: stated on the label.

Folate

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 15 µg = 450 µg
  • £71.45 ÷ 450 µg × 400 µg = £63.51 per 400 µg
  • A week £63.51 × 7 = £444.58 · a month × 30 = £1905.33 · a year × 365 = £23181.56
  • Amount per serving: stated on the label.

Iron

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 0.29 mg = 8.58 mg
  • £71.45 ÷ 8.58 mg × 14 mg = £116.59 per 14 mg iron
  • A week £116.59 × 7 = £816.10 · a month × 30 = £3497.55 · a year × 365 = £42553.55
  • Amount per serving: stated on the label.

Pantothenic acid (B5)

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 0.04 mg = 1.06 mg
  • £71.45 ÷ 1.06 mg × 500 mg = £33734.66 per 500 mg
  • A week £33734.66 × 7 = £236142.59 · a month × 30 = £1012039.66 · a year × 365 = £12313149.20
  • Amount per serving: stated on the label.

Vitamin B12

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 0.01 µg = 0.39 µg
  • £71.45 ÷ 0.39 µg × 1 mg = £183205.13 per 1 mg
  • A week £183205.13 × 7 = £1282435.90 · a month × 30 = £5496153.85 · a year × 365 = £66869871.79
  • Amount per serving: stated on the label.

Vitamin D3

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 344 IU = 10,320 IU
  • £71.45 ÷ 10,320 IU × 1,000 IU = £6.92 per 1,000 IU
  • A week £6.92 × 7 = £48.46 · a month × 30 = £207.70 · a year × 365 = £2527.06
  • 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: spermidine

All 6, ranked →
Pure SpermidineCheapest per 1 mgHealf · 8 mg a serving · £1.91 a month · a pack lasts 1.3 years6p£30.50View at Healf (opens in a new tab)
Feel SupremePremium Spermidine & Astaxanthin ComplexVitamin Planet · 5 mg a serving · £4.08 a month · a pack lasts 10 months14p£40.80View at Vitamin Planet (opens in a new tab)
SpermidineHealf · 6 mg a serving · £4.17 a month · a pack lasts 6 months14p£24.99View at Healf (opens in a new tab)
Oxford HealthspanThis productHealf · 1.6 mg a serving · £44.66 a month · a pack lasts 48 days£1.49shown above

Ranked purely by price per 1 mg. 4 combination products also contain spermidine.

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)
Oxford HealthspanThis productHealf · 3.37 µg a serving · £106008.90 a month · a pack lasts under a day£3533.63shown 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)
Oxford HealthspanThis productHealf · 15 µg a serving · £1905.33 a month · a pack lasts 1 day£63.51shown above

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

How it compares: other forms of iron

All 10, ranked →
Iron (Citrate) 14mgCheapest per 14 mg ironLamberts Healthcare (Nature's Best) · 14 mg a serving · £2.25 a month · a pack lasts 3 months8p£7.50View at Lamberts Healthcare (opens in a new tab)
Iron 14mgSimply Supplements · 14 mg a serving · £2.82 a month · a pack lasts 4 months9p£11.29View at Simply Supplements (opens in a new tab)
Gentle IronTogether Health · 16 mg a serving · £6.99 a month · a pack lasts 34 days23p£7.99View at Together Health (opens in a new tab)
Oxford HealthspanThis productHealf · 0.29 mg a serving · £3497.55 a month · a pack lasts under a day£116.59shown above

Ranked purely by price per 14 mg iron. 71 combination products also contain iron.

How it compares: pantothenic acid (B5)

Compare every product in this form →
Pantothenic AcidCheapest per 500 mgHealf · 500 mg a serving · £4.71 a month · a pack lasts 3 months16p£15.69View at Healf (opens in a new tab)
Vitamin B5 500mg Pantothenic AcidLamberts Healthcare (Nature's Best) · 500 mg a serving · £5.25 a month · a pack lasts 2 months18p£10.50View at Lamberts Healthcare (opens in a new tab)
HealthAidCalcium Pantothenate (Vitamin B5) 750mg Prolonged ReleaseVitamin Planet · 750 mg a serving · £11.53 a month · a pack lasts 45 days38p£17.30View at Vitamin Planet (opens in a new tab)
Oxford HealthspanThis productHealf · 0.04 mg a serving · £1012039.66 a month · a pack lasts under a day£33734.66shown above

Ranked purely by price per 500 mg. 189 combination products also contain pantothenic acid (B5).

How it compares: vitamin B12 form not stated

All 23, ranked →
ZipVitVitamin B12 1100mcgCheapest per 1 mgZipVit · 1.1 mg a serving · 64p a month · a pack lasts 1.1 years2p£8.49View at ZipVit (opens in a new tab)
Wellthy by Boots Daily Nutrition Triple Blend Vitamin B12 1000ug 365 TabletsBoots · 1 mg a serving · 82p a month · a pack lasts 1 year3p£10.00View at Boots (opens in a new tab)
Adenosyl/Hydroxy B12Healf · 2 mg a serving · £3.58 a month · a pack lasts 6 months12p£21.49View at Healf (opens in a new tab)
Oxford HealthspanThis productHealf · 0.01 µg a serving · £5496153.85 a month · a pack lasts under a day£183205.13shown above

Ranked purely by price per 1 mg. 65 combination products also contain vitamin B12.

How it compares: vitamin D2

All 4, ranked →
Vitamin D2 Tablets 4,000iuCheapest per 1,000 IUSimply Supplements · 4,000 IU a serving · 35p a month · a pack lasts 3.9 years1p£16.99View at Simply Supplements (opens in a new tab)
Vitamin D2 Tablets 2,000iuSimply Supplements · 2,000 IU a serving · 89p a month · a pack lasts 2 years3p£21.29View at Simply Supplements (opens in a new tab)
VeganicityVitamin D 800iuVitamin Planet · 800 IU a serving · £2.46 a month · a pack lasts 2 months8p£5.91View at Vitamin Planet (opens in a new tab)
Oxford HealthspanThis productHealf · 344 IU a serving · £207.70 a month · a pack lasts 10 days£6.92shown above

Ranked purely by price per 1,000 IU. 2 combination products also contain vitamin D3.

On the label

Spermidine · Spermidine
1.6 mg per serving (active constituent content stated on the label (or its stated percentage of the extract))
Biotin · Biotin
3.37 µg per serving (stated on the label)
Pack
60 tablets · 30 servings · 2 tablet(s) a serving
Cost per serving
£2.38 (30 servings in the pack)
More label details
Folate · Folic acid
15 µg per serving (stated on the label)
Iron · Other forms
0.29 mg per serving (stated on the label)
Pantothenic acid (B5) · Pantothenic acid (B5)
0.04 mg per serving (stated on the label)
Vitamin B12 · Form not stated
0.01 µg per serving (stated on the label)
Vitamin D3 · Vitamin D2
344 IU per serving (stated on the label)
Claimed on the listing
gluten-free
Sold by
Healf
What the listing says
“60 tabs” · “Servings Per Container: 30” · “Serving Size: 2 Tablets” · “Biotin (Vitamin B7) 3.37 mcg”
Ingredients

Tricalcium Phosphate, Primeadine® GF from Chlorella, Shikuwasa Peel (Citrus Depressa), Turmeric (Curcuma longa) Providing Naturally-Occurring Lutein, Spermidine, Nobiletin, Folate (Vitamin B9), Vitamin D2 (Ergocalciferol), Vitamin K, Biotin (Vitamin B7), Vitamin B12, Iron, Pantothenic Acid

From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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One 1 mg dose is our comparison unit, not a recommendation.

Price history

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

Price at every check
£71.45Healf
First recorded
£71.451 Oct
Checked on
1 daysince 1 Oct

Checked once so far, on 1 October 2026.

  1. First checked at Healf: £71.45

Questions about this product

How much does Oxford Healthspan Primeadine® GF Gluten-Free Spermidine cost per 5 mg?

£3533.63 per 5 mg, from £71.45 for 60 tablets at Healf, checked on 30 September 2026.

How long does one pack last?

under a day at one 5 mg dose. The pack holds 101.1 µg in total.

How much does Oxford Healthspan Primeadine® GF Gluten-Free Spermidine cost per 400 µg?

£63.51 per 400 µg, from £71.45 for 60 tablets at Healf, checked on 30 September 2026.

How long does one pack last?

1 day at one 400 µg dose. The pack holds 450 µg in total.

How much does Oxford Healthspan Primeadine® GF Gluten-Free Spermidine cost per 14 mg iron?

£116.59 per 14 mg iron, from £71.45 for 60 tablets at Healf, checked on 30 September 2026.

How long does one pack last?

under a day at one 14 mg dose. The pack holds 8.58 mg in total.

How much does Oxford Healthspan Primeadine® GF Gluten-Free Spermidine cost per 500 mg?

£33734.66 per 500 mg, from £71.45 for 60 tablets at Healf, checked on 30 September 2026.

How long does one pack last?

under a day at one 500 mg dose. The pack holds 1.06 mg in total.

How much does Oxford Healthspan Primeadine® GF Gluten-Free Spermidine cost per 1 mg?

£1.49 per 1 mg, from £71.45 for 60 tablets at Healf, checked on 30 September 2026.

How long does one pack last?

48 days at one 1 mg dose. The pack holds 48 mg in total.

How much does Oxford Healthspan Primeadine® GF Gluten-Free Spermidine cost per 1 mg?

£183205.13 per 1 mg, from £71.45 for 60 tablets at Healf, checked on 30 September 2026.

How long does one pack last?

under a day at one 1 mg dose. The pack holds 0.39 µg in total.

How much does Oxford Healthspan Primeadine® GF Gluten-Free Spermidine cost per 1,000 IU?

£6.92 per 1,000 IU, from £71.45 for 60 tablets at Healf, checked on 30 September 2026.

How long does one pack last?

10 days at one 1,000 IU dose. The pack holds 10,320 IU in total.

Keep comparing

All spermidineEvery form, cheapest per 1 mg firstGeneral health ingredientsEverything else we price in this categorySpermidine price historyEvery spermidine product's price per dose and price historyBuild a basketThe cheapest way to buy several at onceHow we compareWhere every number on this page comes from