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Home › Vitamins › Riboflavin (vitamin B2)

SolgarVitaminsVegan

Megasorb Vitamin B-Complex, 50 tablets

£8.49 for 50 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 100 mg31pOne 100 mg dose is our comparison unit for riboflavin (vitamin B2). It is not a recommendation.
A day31p
A week£2.16
A month£9.26
A year£112.69

At one 100 mg dose a day, this pack lasts 28 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Riboflavin (vitamin B2)

  • Servings: 50 ÷ 1 per serving = 50
  • In the pack: 50 × 55 mg = 2.75 g
  • £8.49 ÷ 2.75 g × 100 mg = 30.9p per 100 mg
  • A week 30.9p × 7 = £2.16 · a month × 30 = £9.26 · a year × 365 = £112.69
  • Amount per serving: stated on the label.

Biotin

  • Servings: 50 ÷ 1 per serving = 50
  • In the pack: 50 × 50 µg = 2.5 mg
  • £8.49 ÷ 2.5 mg × 5 mg = £16.98 per 5 mg
  • A week £16.98 × 7 = £118.86 · a month × 30 = £509.40 · a year × 365 = £6197.70
  • Amount per serving: stated on the label.

Magnesium

  • Servings: 50 ÷ 1 per serving = 50
  • In the pack: 50 × 24 mg = 1.2 g
  • £8.49 ÷ 1.2 g × 100 mg = 70.8p per 100 mg magnesium
  • A week 70.8p × 7 = £4.95 · a month × 30 = £21.23 · a year × 365 = £258.24
  • Amount per serving: stated on the label.

Niacin (vitamin B3)

  • Servings: 50 ÷ 1 per serving = 50
  • In the pack: 50 × 50 mg = 2.5 g
  • £8.49 ÷ 2.5 g × 500 mg = £1.70 per 500 mg
  • A week £1.70 × 7 = £11.89 · a month × 30 = £50.94 · a year × 365 = £619.77
  • Amount per serving: stated on the label.

Pantothenic acid (B5)

  • Servings: 50 ÷ 1 per serving = 50
  • In the pack: 50 × 50 mg = 2.5 g
  • £8.49 ÷ 2.5 g × 500 mg = £1.70 per 500 mg
  • A week £1.70 × 7 = £11.89 · a month × 30 = £50.94 · a year × 365 = £619.77
  • Amount per serving: stated on the label.

Thiamine (vitamin B1)

  • Servings: 50 ÷ 1 per serving = 50
  • In the pack: 50 × 50 mg = 2.5 g
  • £8.49 ÷ 2.5 g × 100 mg = 34p per 100 mg
  • A week 34p × 7 = £2.38 · a month × 30 = £10.19 · a year × 365 = £123.95
  • Amount per serving: stated on the label.

Vitamin B12

  • Servings: 50 ÷ 1 per serving = 50
  • In the pack: 50 × 50 µg = 2.5 mg
  • £8.49 ÷ 2.5 mg × 1 mg = £3.40 per 1 mg
  • A week £3.40 × 7 = £23.77 · a month × 30 = £101.88 · a year × 365 = £1239.54
  • 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: riboflavin-5-phosphate

Compare every product in this form →
Riboflavin 5'-PhosphateCheapest per 100 mgHealf · 36.5 mg a serving · £31.92 a month · a pack lasts 22 days£1.06£23.30View at Healf (opens in a new tab)
This productHealf · 55 mg a serving · £9.26 a month · a pack lasts 28 days31pshown above

Ranked purely by price per 100 mg. 53 combination products also contain riboflavin (vitamin B2).

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)
This productHealf · 50 µg a serving · £509.40 a month · a pack lasts under a day£16.98shown above

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

How it compares: magnesium blends and other forms

All 79, ranked →
ZipVitMagnesium 500mgCheapest per 100 mg magnesiumZipVit · 500 mg a serving · 33p a month · a pack lasts 4.9 years1p£19.99View at ZipVit (opens in a new tab)
Magnesium Glycinate X3Protein Works · 1.81 g a serving · 40p a month · a pack lasts 2.2 years1p£10.99View at Protein Works (opens in a new tab)
Magnesium CapsHealf · 500 mg a serving · 41p a month · a pack lasts 1.4 years1p£6.75View at Healf (opens in a new tab)
This productHealf · 24 mg a serving · £21.23 a month · a pack lasts 12 days71pshown above

Ranked purely by price per 100 mg magnesium. 236 combination products also contain magnesium.

How it compares: niacinamide

All 5, ranked →
Niacinamide TabletsCheapest per 500 mgMyprotein · 450 mg a serving · £1.85 a month · a pack lasts 3 months6p£4.99View at Myprotein (opens in a new tab)
Niacinamide TabletsMyprotein · 450 mg a serving · £3.32 a month · a pack lasts 27 days11p£2.99View at Myprotein (opens in a new tab)
NiacinamideHealf · 500 mg a serving · £3.42 a month · a pack lasts 6 months11p£20.49View at Healf (opens in a new tab)
This productHealf · 50 mg a serving · £50.94 a month · a pack lasts 5 days£1.70shown above

Ranked purely by price per 500 mg. 164 combination products also contain niacin (vitamin B3).

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)
This productHealf · 50 mg a serving · £50.94 a month · a pack lasts 5 days£1.70shown above

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

How it compares: thiamine (vitamin B1)

Compare every product in this form →
Vitamin B1 (Thiamin) 100mgCheapest per 100 mgLamberts Healthcare (Nature's Best) · 100 mg a serving · £2.50 a month · a pack lasts 3 months8p£7.50View at Lamberts Healthcare (opens in a new tab)
Natures AidVitamin B1 100mg 90 TabletsLloyds Pharmacy · 100 mg a serving · £3.83 a month · a pack lasts 3 months13p£11.49View at Lloyds Pharmacy (opens in a new tab)
This productHealf · 50 mg a serving · £10.19 a month · a pack lasts 25 days34pshown above

Ranked purely by price per 100 mg. 208 combination products also contain thiamine (vitamin B1).

How it compares: vitamin B12 cyanocobalamin

All 12, ranked →
Vitamin B-12 1000 mcgCheapest per 1 mgHealf · 1 mg a serving · £1.65 a month · a pack lasts 3 months5p£5.49View at Healf (opens in a new tab)
Vitamin B12 1000mcgHealf · 1 mg a serving · £2.40 a month · a pack lasts 8 months8p£19.99View at Healf (opens in a new tab)
VeganicityVitamin B12 1000ugVitamin Planet · 1 mg a serving · £2.65 a month · a pack lasts 3 months9p£7.96View at Vitamin Planet (opens in a new tab)
This productHealf · 50 µg a serving · £101.88 a month · a pack lasts 3 days£3.40shown above

Ranked purely by price per 1 mg. 44 combination products also contain vitamin B12.

On the label

Riboflavin (vitamin B2) · Riboflavin-5-phosphate
55 mg per serving (stated on the label)
Biotin · Biotin
50 µg per serving (stated on the label)
Pack
50 tablets · 50 servings · 1 tablet(s) a serving
Cost per serving
17p (50 servings in the pack)
More label details
Magnesium · Blends and other forms
24 mg per serving (stated on the label)
Niacin (vitamin B3) · Niacinamide
50 mg per serving (stated on the label)
Pantothenic acid (B5) · Pantothenic acid (B5)
50 mg per serving (stated on the label)
Thiamine (vitamin B1) · Thiamine
50 mg per serving (stated on the label)
Vitamin B12 · Cyanocobalamin
50 µg per serving (stated on the label)
Claimed on the listing
vegan, vegetarian
Sold by
Healf
What the listing says
“50 tablets” · “one (1) tablet daily” · “D-biotin ; 50 mcg”
Ingredients

Bulking Agents (microcrystalline cellulose, hydroxypropylmethyl cellulose, dicalcium phosphate, mannitol), Magnesium (as citrate, oxide), Vitamin B6 (as pyridoxine HCl, pyridoxal-5'-phosphate), Thiamin (vitamin B1, as thiamin mononitrate), Riboflavin (vitamin B2, riboflavin-5'-phosphate), Pantothenic Acid (as D-pantothenate, calcium), Choline (as bitartrate), Niacin (vitamin B3, as nicotinamide), Inositol, Soya Lecithin, Anti-caking Agents (silicon dioxide, vegetable magnesium stearate), Glazing Agents (hydroxypropylmethyl cellulose, vegetable glycerin (from palm kernel oil and coconut oil)), Pantethine, Folic Acid (as pteroylmonoglutamic acid), Colour (riboflavin), Vitamin B12 (as cyanocobalamin), D-biotin.

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

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One 100 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Price at every check
£8.49Healf
First recorded
£8.491 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £8.49

Questions about this product

How much does Solgar Megasorb Vitamin B-Complex cost per 5 mg?

£16.98 per 5 mg, from £8.49 for 50 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

under a day at one 5 mg dose. The pack holds 2.5 mg in total.

How much does Solgar Megasorb Vitamin B-Complex cost per 100 mg magnesium?

71p per 100 mg magnesium, from £8.49 for 50 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

12 days at one 100 mg dose. The pack holds 1.2 g in total.

How much does Solgar Megasorb Vitamin B-Complex cost per 500 mg?

£1.70 per 500 mg, from £8.49 for 50 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

5 days at one 500 mg dose. The pack holds 2.5 g in total.

How much does Solgar Megasorb Vitamin B-Complex cost per 500 mg?

£1.70 per 500 mg, from £8.49 for 50 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

5 days at one 500 mg dose. The pack holds 2.5 g in total.

How much does Solgar Megasorb Vitamin B-Complex cost per 100 mg?

31p per 100 mg, from £8.49 for 50 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

28 days at one 100 mg dose. The pack holds 2.75 g in total.

How much does Solgar Megasorb Vitamin B-Complex cost per 100 mg?

34p per 100 mg, from £8.49 for 50 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

25 days at one 100 mg dose. The pack holds 2.5 g in total.

How much does Solgar Megasorb Vitamin B-Complex cost per 1 mg?

£3.40 per 1 mg, from £8.49 for 50 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

3 days at one 1 mg dose. The pack holds 2.5 mg in total.

About Solgar

All 84 Solgar products, priced per dose

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