We earn commission on purchases made through our links. It never affects ranking: tables are ordered purely by price per dose, and no retailer or brand can pay for position.We earn commission when you buy through our links. It never affects the ranking. Full disclosure.

BodyBioMinerals

Butyrate (CalcMag), 100 capsules

£28.99 for 100 capsules 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 500 mg calcium£1.81One 500 mg dose is our comparison unit for calcium. It is not a recommendation.
A day£1.81
A week£12.68
A month£54.36
A year£661.33

At one 500 mg dose a day, this pack lasts 16 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Calcium

  • Servings: 100 ÷ 2 per serving = 50
  • In the pack: 50 × 160 mg = 8 g
  • £28.99 ÷ 8 g × 500 mg = £1.81 per 500 mg calcium
  • A week £1.81 × 7 = £12.68 · a month × 30 = £54.36 · a year × 365 = £661.33
  • Amount per serving: stated on the label.

Magnesium

  • Servings: 100 ÷ 2 per serving = 50
  • In the pack: 50 × 80 mg = 4 g
  • £28.99 ÷ 4 g × 100 mg = 72.5p per 100 mg magnesium
  • A week 72.5p × 7 = £5.07 · a month × 30 = £21.74 · a year × 365 = £264.53
  • 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: other forms of calcium

All 25, ranked →
Calcium 1000mg & Vitamin D3 400iu TabletsCheapest per 500 mg calciumSimply Supplements · 1 g a serving · 94p a month · a pack lasts 12 months3p£11.29View at Simply Supplements (opens in a new tab)
Calcium & Magnesium TabletsMyprotein · 800 mg a serving · £2.29 a month · a pack lasts 5 months8p£10.99View at Myprotein (opens in a new tab)
ZipVitCalcium 400mg with Magnesium 200mgZipVit · 400 mg a serving · £2.29 a month · a pack lasts 9 months8p£21.99View at ZipVit (opens in a new tab)
This productHealf · 160 mg a serving · £54.36 a month · a pack lasts 16 days£1.81shown above

Ranked purely by price per 500 mg calcium. 216 combination products also contain calcium.

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 · 80 mg a serving · £21.74 a month · a pack lasts 40 days72pshown above

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

On the label

Calcium · Other forms
160 mg per serving (stated on the label)
Magnesium · Blends and other forms
80 mg per serving (stated on the label)
Pack
100 capsules · 50 servings · 2 capsule(s) a serving
Cost per serving
58p (50 servings in the pack)
More label details
Sold by
Healf
What the listing says
“100 caps” · “Container: 50 (100 ct.)” · “Serving Size: 2 capsules” · “Calcium ; 160 mg ; 16%”
Ingredients

Butyric acid, calcium hydroxide, magnesium hydroxide, medium chain triglycerides (MCT), hydroxypropy. methylcellulose and purified water

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

Is something wrong? Tell us

Add to your basket

View basket

Your basket prices everything you take together: whole packs, delivery included, from as few websites as you like.

One 500 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
£28.99Healf
First recorded
£28.991 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £28.99

Questions about this product

How much does BodyBio Butyrate (CalcMag) cost per 500 mg calcium?

£1.81 per 500 mg calcium, from £28.99 for 100 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

16 days at one 500 mg dose. The pack holds 8 g in total.

How much does BodyBio Butyrate (CalcMag) cost per 100 mg magnesium?

72p per 100 mg magnesium, from £28.99 for 100 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

40 days at one 100 mg dose. The pack holds 4 g in total.

About BodyBio

More from BodyBio

Keep comparing