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MetagenicsMinerals

MegaMag® Night Tablets, 60 tablets

£30.39 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 100 mg magnesium£1.01One 100 mg dose is our comparison unit for magnesium. It is not a recommendation.
A day£1.01
A week£7.09
A month£30.39
A year£369.74

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

Magnesium

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 100 mg = 3 g
  • £30.39 ÷ 3 g × 100 mg = £1.01 per 100 mg magnesium
  • A week £1.01 × 7 = £7.09 · a month × 30 = £30.39 · a year × 365 = £369.74
  • Amount per serving: stated on the label.

Folate

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 150 µg = 4.5 mg
  • £30.39 ÷ 4.5 mg × 400 µg = £2.70 per 400 µg
  • A week £2.70 × 7 = £18.91 · a month × 30 = £81.04 · a year × 365 = £985.99
  • Amount per serving: stated on the label.

L-Theanine

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 100 mg = 3 g
  • £30.39 ÷ 3 g × 200 mg = £2.03 per 200 mg
  • A week £2.03 × 7 = £14.18 · a month × 30 = £60.78 · a year × 365 = £739.49
  • Amount per serving: stated on the label.

L-Tryptophan

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 220 mg = 6.6 g
  • £30.39 ÷ 6.6 g × 500 mg = £2.30 per 500 mg
  • A week £2.30 × 7 = £16.12 · a month × 30 = £69.07 · a year × 365 = £840.33
  • Amount per serving: stated on the label.

Lemon balm

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 40 mg = 1.2 g
  • £30.39 ÷ 1.2 g × 500 mg = £12.66 per 500 mg
  • A week £12.66 × 7 = £88.64 · a month × 30 = £379.88 · a year × 365 = £4621.81
  • Amount per serving: extract weight stated on the label.

Vitamin B12

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 20 µg = 600 µg
  • £30.39 ÷ 600 µg × 1 mg = £50.65 per 1 mg
  • A week £50.65 × 7 = £354.55 · a month × 30 = £1519.50 · a year × 365 = £18487.25
  • Amount per serving: stated on the label.

Vitamin B6

  • Servings: 60 ÷ 2 per serving = 30
  • In the pack: 30 × 25 mg = 750 mg
  • £30.39 ÷ 750 mg × 50 mg = £2.03 per 50 mg
  • A week £2.03 × 7 = £14.18 · a month × 30 = £60.78 · a year × 365 = £739.49
  • 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: magnesium bisglycinate

All 66, ranked →
Magnesium Bisglycinate 1500mgCheapest per 100 mg magnesiumSimply Supplements · 1.5 g a serving · 43p a month · a pack lasts 2.5 years1p£12.99View at Simply Supplements (opens in a new tab)
One NutritionPure Magnesium BisglycinateVitamin Planet · 700 mg a serving · 96p a month · a pack lasts 1.7 years3p£20.24View at Vitamin Planet (opens in a new tab)
ZipVitMagnesium Glycinate 2000mgZipVit · 400 mg a serving · £1.00 a month · a pack lasts 2 years3p£23.99View at ZipVit (opens in a new tab)
This productHealf · 100 mg a serving · £30.39 a month · a pack lasts 30 days£1.01shown above

Ranked purely by price per 100 mg magnesium. Labels here do not all state the same thing: this one gives stated on the label, the cheapest gives estimated from the compound weight using our conversion factor. Check both before choosing. 86 combination products also contain magnesium.

How it compares: methylfolate

All 22, ranked →
Methyl Folate 1,000 mcgCheapest per 400 µgHealf · 1 mg a serving · £1.27 a month · a pack lasts 7 months4p£9.49View at Healf (opens in a new tab)
5-MTHF 5 mgHealf · 5 mg a serving · £2.22 a month · a pack lasts 2.1 years7p£55.58View at Healf (opens in a new tab)
Vimergy5-MTHFHealf · 5 mg a serving · £2.36 a month · a pack lasts 2.1 years8p£58.99View at Healf (opens in a new tab)
This productHealf · 150 µg a serving · £81.04 a month · a pack lasts 11 days£2.70shown above

Ranked purely by price per 400 µg. 155 combination products also contain folate.

How it compares: L-theanine

All 12, ranked →
L-TheanineCheapest per 200 mgHealf · 200 mg a serving · £4.12 a month · a pack lasts 4 months14p£16.49View at Healf (opens in a new tab)
L-TheanineHealf · 250 mg a serving · £5.60 a month · a pack lasts 2 months19p£13.99View at Healf (opens in a new tab)
L-TheanineW-Wellness · 250 mg a serving · £6.20 a month · a pack lasts 2 months21p£15.49View at W-Wellness (opens in a new tab)
This productHealf · 100 mg a serving · £60.78 a month · a pack lasts 15 days£2.03shown above

Ranked purely by price per 200 mg. 70 combination products also contain L-Theanine.

How it compares: L-Tryptophan

Compare every product in this form →
TryptophanCheapest per 500 mgBulk · 220 mg a serving · 75p a month · a pack lasts 7 months2p£4.99View at Bulk (opens in a new tab)
L-Tryptophan 500mgHealf · 1 g a serving · £6.50 a month · a pack lasts 2 months22p£12.99View at Healf (opens in a new tab)
This productHealf · 220 mg a serving · £69.07 a month · a pack lasts 13 days£2.30shown above

Ranked purely by price per 500 mg. 29 combination products also contain L-Tryptophan.

How it compares: lemon balm

Compare every product in this form →
VimergyLemon BalmCheapest per 500 mgHealf · 175 mg a serving · £31.68 a month · a pack lasts 40 days£1.06£42.50View at Healf (opens in a new tab)
VimergyLemon BalmHealf · 175 mg a serving · £31.96 a month · a pack lasts 3 months£1.07£89.49View at Healf (opens in a new tab)
VimergyLemon BalmHealf · 175 mg a serving · £52.86 a month · a pack lasts 11 days£1.76£18.50View at Healf (opens in a new tab)
This productHealf · 40 mg a serving · £379.88 a month · a pack lasts 2 days£12.66shown above

Ranked purely by price per 500 mg. 24 combination products also contain lemon balm.

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)
This productHealf · 20 µg a serving · £1519.50 a month · a pack lasts under a day£50.65shown above

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

How it compares: vitamin B6 P-5-P

All 4, ranked →
P5P 50Cheapest per 50 mgHealf · 50 mg a serving · £8.55 a month · a pack lasts 6 months28p£51.30View at Healf (opens in a new tab)
P5P 50Healf · 50 mg a serving · £9.00 a month · a pack lasts 2 months30p£18.00View at Healf (opens in a new tab)
Pyridoxal 5'-PhosphateHealf · 33.8 mg a serving · £11.26 a month · a pack lasts 4 months38p£45.69View at Healf (opens in a new tab)
This productHealf · 25 mg a serving · £60.78 a month · a pack lasts 15 days£2.03shown above

Ranked purely by price per 50 mg. 158 combination products also contain vitamin B6.

On the label

Magnesium · Bisglycinate (glycinate)
100 mg per serving (stated on the label)
Folate · Methylfolate (5-MTHF)
150 µg per serving (stated on the label)
Pack
60 tablets · 30 servings · 2 tablet(s) a serving
Cost per serving
£1.01 (30 servings in the pack)
More label details
L-Theanine · L-theanine
100 mg per serving (stated on the label)
L-Tryptophan · L-Tryptophan
220 mg per serving (stated on the label)
Lemon balm · Lemon balm
40 mg per serving (extract weight stated on the label)
Vitamin B12 · Methylcobalamin
20 µg per serving (stated on the label)
Vitamin B6 · P-5-P (active form)
25 mg per serving (stated on the label)
Claimed on the listing
vegetarian
Sold by
Healf
What the listing says
“60 tabs” · “Two tablets typically contain” · “Folate (5-MTHF) ; 150 mcg”
Ingredients

Bulking Agent: Calcium Carbonate, Magnesium Bisglycinate, Stabiliser: Microcrystalline Cellulose, L-Tryptophan, Milk Protein Hydrolysate, L-Theanine, Hops Extract, Anti-Caking Agents: Stearic Acid, Silicon Dioxide, Magnesium Salts Of Fatty Acids; Pyridoxal-5-Phosphate, Lemon Balm Extract, Emulsifier: Sodium Croscarmellose, Coating (Hydroxypropyl Methylcellulose And Glycerine), 5-Methyitetrahydrofolate, Methylcobalamin.

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

1 price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Lowest recorded
£30.398 Oct
Highest recorded
£37.991 Oct
First recorded
£37.991 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. Down at Healf: £37.99 → £30.39 (−20%)
  2. First checked at Healf: £37.99

Questions about this product

How much does Metagenics MegaMag® Night Tablets cost per 400 µg?

£2.70 per 400 µg, from £30.39 for 60 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

11 days at one 400 µg dose. The pack holds 4.5 mg in total.

How much does Metagenics MegaMag® Night Tablets cost per 200 mg?

£2.03 per 200 mg, from £30.39 for 60 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

15 days at one 200 mg dose. The pack holds 3 g in total.

How much does Metagenics MegaMag® Night Tablets cost per 500 mg?

£2.30 per 500 mg, from £30.39 for 60 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

13 days at one 500 mg dose. The pack holds 6.6 g in total.

How much does Metagenics MegaMag® Night Tablets cost per 500 mg?

£12.66 per 500 mg, from £30.39 for 60 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

2 days at one 500 mg dose. The pack holds 1.2 g in total.

How much does Metagenics MegaMag® Night Tablets cost per 100 mg magnesium?

£1.01 per 100 mg magnesium, from £30.39 for 60 tablets at Healf, checked on 20 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 Metagenics MegaMag® Night Tablets cost per 1 mg?

£50.65 per 1 mg, from £30.39 for 60 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

under a day at one 1 mg dose. The pack holds 600 µg in total.

How much does Metagenics MegaMag® Night Tablets cost per 50 mg?

£2.03 per 50 mg, from £30.39 for 60 tablets at Healf, checked on 20 October 2026.

How long does one pack last?

15 days at one 50 mg dose. The pack holds 750 mg in total.

About Metagenics

All 126 Metagenics products, priced per dose

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