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Home › Vitamins › Pantothenic acid (B5)

Known NutritionVitamins

Advanced Memory & Cognition Liquid

£19.99 for 14 servings at Known Nutrition. 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 500 mg£118.99One 500 mg dose is our comparison unit for pantothenic acid (B5). It is not a recommendation.
A day£118.99
A week£832.92
A month£3569.64
A year£43430.65

At one 500 mg dose a day, this pack lasts under a day. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Pantothenic acid (B5)

  • In the pack: 14 × 6 mg = 84 mg
  • £19.99 ÷ 84 mg × 500 mg = £118.99 per 500 mg
  • A week £118.99 × 7 = £832.92 · a month × 30 = £3569.64 · a year × 365 = £43430.65
  • Amount per serving: stated on the label.

Bacopa monnieri

  • In the pack: 14 × 500 mg = 7 g
  • £19.99 ÷ 7 g × 300 mg = 85.7p per 300 mg
  • A week 85.7p × 7 = £6.00 · a month × 30 = £25.70 · a year × 365 = £312.70
  • Amount per serving: extract weight stated on the label.

Iodine

  • In the pack: 14 × 150 µg = 2.1 mg
  • £19.99 ÷ 2.1 mg × 150 µg = £1.43 per 150 µg iodine
  • A week £1.43 × 7 = £9.99 · a month × 30 = £42.84 · a year × 365 = £521.17
  • Amount per serving: stated on the label.

Manganese

  • In the pack: 14 × 2 mg = 28 mg
  • £19.99 ÷ 28 mg × 2 mg = £1.43 per 2 mg manganese
  • A week £1.43 × 7 = £9.99 · a month × 30 = £42.84 · a year × 365 = £521.17
  • Amount per serving: stated on the label.

Panax ginseng

  • In the pack: 14 × 160 mg = 2.24 g
  • £19.99 ÷ 2.24 g × 200 mg = £1.78 per 200 mg
  • A week £1.78 × 7 = £12.49 · a month × 30 = £53.54 · a year × 365 = £651.46
  • Amount per serving: extract weight stated on the label.

Vitamin B12

  • In the pack: 14 × 5 µg = 70 µg
  • £19.99 ÷ 70 µg × 1 mg = £285.57 per 1 mg
  • A week £285.57 × 7 = £1999.00 · a month × 30 = £8567.14 · a year × 365 = £104233.57
  • Amount per serving: stated on the label.

Vitamin B6

  • In the pack: 14 × 1.4 mg = 19.6 mg
  • £19.99 ÷ 19.6 mg × 50 mg = £50.99 per 50 mg
  • A week £50.99 × 7 = £356.96 · a month × 30 = £1529.85 · a year × 365 = £18613.14
  • 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: 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)
Known NutritionThis productKnown Nutrition · 6 mg a serving · £3569.64 a month · a pack lasts under a day£118.99shown above

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

How it compares: bacopa extract

Compare every product in this form →
Bacopa Monnieri 350mgCheapest per 300 mgBulk · 350 mg a serving · £3.14 a month · a pack lasts 3 months10p£10.99View at Bulk (opens in a new tab)
Organic Bacopa MonnieriW-Wellness · 500 mg a serving · £4.35 a month · a pack lasts 3 months14p£14.49View at W-Wellness (opens in a new tab)
Known NutritionThis productKnown Nutrition · 500 mg a serving · £25.70 a month · a pack lasts 23 days86pshown above

Ranked purely by price per 300 mg. 17 combination products also contain bacopa monnieri.

How it compares: potassium iodide

All 8, ranked →
Lugol's IodineCheapest per 150 µg iodineHealf · 12.5 mg a serving · 2p a month · a pack lasts 102.7 yearsunder 1p£22.49View at Healf (opens in a new tab)
WeightWorldIodine TabletsWeightWorld · 400 µg a serving · 31p a month · a pack lasts 2.7 years1p£9.99View at WeightWorld (opens in a new tab)
Iodine +Healf · 250 µg a serving · 34p a month · a pack lasts 5.5 years1p£22.49View at Healf (opens in a new tab)
Known NutritionThis productKnown Nutrition · 150 µg a serving · £42.84 a month · a pack lasts 14 days£1.43shown above

Ranked purely by price per 150 µg iodine. 89 combination products also contain iodine.

How it compares: manganese

Compare every product in this form →
Manganese 4mgCheapest per 2 mg manganeseLamberts Healthcare (Nature's Best) · 4 mg a serving · £1.04 a month · a pack lasts 7 months3p£6.95View at Lamberts Healthcare (opens in a new tab)
ManganeseHealf · 8 mg a serving · £1.39 a month · a pack lasts 8 months5p£11.14View at Healf (opens in a new tab)
Known NutritionThis productKnown Nutrition · 2 mg a serving · £42.84 a month · a pack lasts 14 days£1.43shown above

Ranked purely by price per 2 mg manganese. 58 combination products also contain manganese.

How it compares: panax ginseng root extract

All 8, ranked →
Korean Panax-GinsengCheapest per 200 mgHealf · 1 g a serving · £1.38 a month · a pack lasts 1.6 years5p£27.64View at Healf (opens in a new tab)
Ginseng CapsulesMyprotein · 150 mg a serving · £2.66 a month · a pack lasts 2 months9p£5.99View at Myprotein (opens in a new tab)
HealthAidKorean Ginseng 250mg Capsules 50sLloyds Pharmacy · 250 mg a serving · £5.74 a month · a pack lasts 2 months19p£11.95View at Lloyds Pharmacy (opens in a new tab)
Known NutritionThis productKnown Nutrition · 160 mg a serving · £53.54 a month · a pack lasts 11 days£1.78shown above

Ranked purely by price per 200 mg. 23 combination products also contain panax ginseng.

How it compares: vitamin B12 methylcobalamin

All 27, ranked →
WeightWorldVitamin B12 Methylcobalamin TabletsCheapest per 1 mgWeightWorld · 1 mg a serving · 60p a month · a pack lasts 1.2 years2p£8.99View at WeightWorld (opens in a new tab)
Vitamin B12 Tablets 1000mcgBulk · 1 mg a serving · 83p a month · a pack lasts 6 months3p£4.99View at Bulk (opens in a new tab)
Vitamin B12 Tablets 1000mcgBulk · 1 mg a serving · £1.25 a month · a pack lasts 2 months4p£2.49View at Bulk (opens in a new tab)
Known NutritionThis productKnown Nutrition · 5 µg a serving · £8567.14 a month · a pack lasts under a day£285.57shown above

Ranked purely by price per 1 mg. 218 combination products also contain vitamin B12.

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)
Known NutritionThis productKnown Nutrition · 1.4 mg a serving · £1529.85 a month · a pack lasts under a day£50.99shown above

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

On the label

Pantothenic acid (B5) · Pantothenic acid (B5)
6 mg per serving (stated on the label)
Bacopa monnieri · Bacopa extract
500 mg per serving (extract weight stated on the label)
Pack
14 servings
Cost per serving
£1.43 (14 servings in the pack)
More label details
Iodine · Potassium iodide
150 µg per serving (stated on the label)
Manganese · Manganese
2 mg per serving (stated on the label)
Panax ginseng · Root extract
160 mg per serving (extract weight stated on the label)
Vitamin B12 · Methylcobalamin
5 µg per serving (stated on the label)
Vitamin B6 · Pyridoxine HCl
1.4 mg per serving (stated on the label)
Sold by
Known Nutrition
What the listing says
“14 Day Supply” · “[Brahmi ; 500mg” · “Brahmi Extract 10:1 (Bacopa monnieri)”
Ingredients

Water, Glycerol, GBL-Memory1TM (L-Theanine (Camellia Sinensis), Fructooligosaccharide (Morinda officinalis)), Known Liposomal Blend (Phosphatidylcholine rich Sunflower Extract), Natural Flavourings, Preservatives (Potassium Sorbate, Sodium Benzoate), Brahmi Extract 10:1 (Bacopa monnieri), Stabiliser (Xanthan Gum), Panax ginseng Extract 4:1, Acid (Citric Acid), Lemon Oil, Calcium D-Pantothenate, Manganese Sulphate Monohydrate, Vitamin B6 (Pyridoxine HCI), Potassium Iodide, Vitamin B12 (Methylcobalamin).

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

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One 500 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
£19.99Known Nutrition
First recorded
£19.999 Oct
Checked on
1 daysince 9 Oct

Checked once so far, on 9 October 2026.

  1. First checked at Known Nutrition: £19.99

Questions about this product

How much does Known Nutrition Advanced Memory & Cognition Liquid cost per 300 mg?

86p per 300 mg, from £19.99 for 14 servings at Known Nutrition, checked on 9 October 2026.

How long does one pack last?

23 days at one 300 mg dose. The pack holds 7 g in total.

How much does Known Nutrition Advanced Memory & Cognition Liquid cost per 150 µg iodine?

£1.43 per 150 µg iodine, from £19.99 for 14 servings at Known Nutrition, checked on 9 October 2026.

How long does one pack last?

14 days at one 150 µg dose. The pack holds 2.1 mg in total.

How much does Known Nutrition Advanced Memory & Cognition Liquid cost per 2 mg manganese?

£1.43 per 2 mg manganese, from £19.99 for 14 servings at Known Nutrition, checked on 9 October 2026.

How long does one pack last?

14 days at one 2 mg dose. The pack holds 28 mg in total.

How much does Known Nutrition Advanced Memory & Cognition Liquid cost per 200 mg?

£1.78 per 200 mg, from £19.99 for 14 servings at Known Nutrition, checked on 9 October 2026.

How long does one pack last?

11 days at one 200 mg dose. The pack holds 2.24 g in total.

How much does Known Nutrition Advanced Memory & Cognition Liquid cost per 500 mg?

£118.99 per 500 mg, from £19.99 for 14 servings at Known Nutrition, checked on 9 October 2026.

How long does one pack last?

under a day at one 500 mg dose. The pack holds 84 mg in total.

How much does Known Nutrition Advanced Memory & Cognition Liquid cost per 1 mg?

£285.57 per 1 mg, from £19.99 for 14 servings at Known Nutrition, checked on 9 October 2026.

How long does one pack last?

under a day at one 1 mg dose. The pack holds 70 µg in total.

How much does Known Nutrition Advanced Memory & Cognition Liquid cost per 50 mg?

£50.99 per 50 mg, from £19.99 for 14 servings at Known Nutrition, checked on 9 October 2026.

How long does one pack last?

under a day at one 50 mg dose. The pack holds 19.6 mg in total.

Keep comparing

All pantothenic acid (B5)Every form, cheapest per 500 mg firstVitaminsEverything else we price in this categoryPantothenic acid (B5) price historyEvery pantothenic acid (B5) 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