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.

perdose
Updated

Home › Vitamins › Vitamin A

Hifas da TerraVitaminsVegan

DR. GB - Gut & Brain, 250 ml

£26.10 for 250 ml 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 800 µg£6.26One 800 µg dose is our comparison unit for vitamin A. It is not a recommendation.
A day£6.26
A week£43.85
A month£187.92
A year£2286.36

At one 800 µg dose a day, this pack lasts 4 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Vitamin A

  • Servings: 250 ÷ 15 per serving = 16.7
  • In the pack: 16.7 × 200 µg = 3.33 mg
  • £26.10 ÷ 3.33 mg × 800 µg = £6.26 per 800 µg
  • A week £6.26 × 7 = £43.85 · a month × 30 = £187.92 · a year × 365 = £2286.36
  • Amount per serving: stated on the label.

Lion's mane

  • Servings: 250 ÷ 15 per serving = 16.7
  • In the pack: 16.7 × 150 mg = 2.5 g
  • £26.10 ÷ 2.5 g × 1 g = £10.44 per 1 g
  • A week £10.44 × 7 = £73.08 · a month × 30 = £313.20 · a year × 365 = £3810.60
  • Amount per serving: extract weight stated on the label.

Reishi

  • Servings: 250 ÷ 15 per serving = 16.7
  • In the pack: 16.7 × 150 mg = 2.5 g
  • £26.10 ÷ 2.5 g × 1 g = £10.44 per 1 g
  • A week £10.44 × 7 = £73.08 · a month × 30 = £313.20 · a year × 365 = £3810.60
  • Amount per serving: extract weight stated on the label.

Vitamin C

  • Servings: 250 ÷ 15 per serving = 16.7
  • In the pack: 16.7 × 59 mg = 983.3 mg
  • £26.10 ÷ 983.3 mg × 1 g = £26.54 per 1 g
  • A week £26.54 × 7 = £185.80 · a month × 30 = £796.27 · a year × 365 = £9687.97
  • 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: vitamin A retinol

All 10, ranked →
Bio-AE-Mulsion Forte®Cheapest per 800 µgHealf · 3.75 mg a serving · 26p a month · a pack lasts 9.6 years1p£30.49View at Healf (opens in a new tab)
WeightWorldVitamin A TabletsWeightWorld · 3 mg a serving · 33p a month · a pack lasts 3.8 years1p£14.99View at WeightWorld (opens in a new tab)
Designs for HealthHi-Po Emulsi-A™ LiquidHealf · 1.5 mg a serving · 51p a month · a pack lasts 5.7 years2p£34.99View at Healf (opens in a new tab)
This productHealf · 200 µg a serving · £187.92 a month · a pack lasts 4 days£6.26shown above

Ranked purely by price per 800 µg. 119 combination products also contain vitamin A.

How it compares: lion's mane fruiting body extract

All 22, ranked →
Lion's Mane Capsules 500mgCheapest per 1 gBulk · 1 g a serving · £9.33 a month · a pack lasts 45 days31p£13.99View at Bulk (opens in a new tab)
Lion's Mane CapsulesHealf · 1 g a serving · £11.43 a month · a pack lasts 5 months38p£57.16View at Healf (opens in a new tab)
Lions Mane PowderHealf · 1 g a serving · £11.63 a month · a pack lasts 5 months39p£58.16View at Healf (opens in a new tab)
This productHealf · 150 mg a serving · £313.20 a month · a pack lasts 3 days£10.44shown above

Ranked purely by price per 1 g. 35 combination products also contain lion's mane.

How it compares: reishi fruiting body extract

All 19, ranked →
Reishi Mushroom (Fruiting Body)Cheapest per 1 gHealf · 1.2 g a serving · £12.45 a month · a pack lasts 3 months41p£41.49View at Healf (opens in a new tab)
Reishi Mushroom ExtractHealf · 1 g a serving · £14.70 a month · a pack lasts 50 days49p£24.50View at Healf (opens in a new tab)
Reishi Mushroom (Fruiting Body)Healf · 1.2 g a serving · £15.89 a month · a pack lasts 50 days53p£26.49View at Healf (opens in a new tab)
This productHealf · 150 mg a serving · £313.20 a month · a pack lasts 3 days£10.44shown above

Ranked purely by price per 1 g. 33 combination products also contain reishi.

How it compares: vitamin C

All 113, ranked →
Vitamin C Plus TabletsCheapest per 1 gMyprotein · 1 g a serving · £1.00 a month · a pack lasts 6 months3p£5.99View at Myprotein (opens in a new tab)
Vitamin C Crystals PowderHealf · 1.1 g a serving · £1.01 a month · a pack lasts 7 months3p£7.61View at Healf (opens in a new tab)
Vitamin C PowderLamberts Healthcare (Nature's Best) · 1 g a serving · £1.50 a month · a pack lasts 8 months5p£12.50View at Lamberts Healthcare (opens in a new tab)
This productHealf · 59 mg a serving · £796.27 a month · a pack lasts under a day£26.54shown above

Ranked purely by price per 1 g. 950 combination products also contain vitamin C.

On the label

Vitamin A · Retinol (palmitate / acetate)
200 µg per serving (stated on the label)
Lion's mane · Fruiting body extract
150 mg per serving (extract weight stated on the label)
Pack
250 ml · 16.7 servings · 15 ml a serving
Cost per serving
£1.57 (16.7 servings in the pack)
More label details
Reishi · Fruiting body extract
150 mg per serving (extract weight stated on the label)
Vitamin C · Standard (ascorbic acid and ascorbates)
59 mg per serving (stated on the label)
Claimed on the listing
vegan, vegetarian
Sold by
Healf
What the listing says
“250 ml” · “15mL (30 kg of body weight)” · “Organic Hericium erinaceus extract ; 150 mg”
Ingredients

Per serving: Water, organic agave nectar, Y-cyclodextrin, 288 mg of concentrated acerola juice(Malpighia glabra L.) (2%), 150 mg of organic extract of Ganoderma lucidum (1%), 150 mg of organic extract of Hericium erinaceus (1%), 59 mg of ascorbic acid (vitamin C) (74% NRV*), strawberry flavouring, preservative (potassium sorbate), acidity regulator (citric acid), 200 mcg vitamin A (25% NRV*).Dr. GB (Gut & Brain) has a very pleasant, sweet taste with hints of citrus. It is suitable for coeliacs and those who are lactose intolerant, vegetarians and vegans. Hifas da Terra products do not contain heavy metals or pesticides.

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 800 µg 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
£26.10Healf
First recorded
£26.101 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £26.10

Questions about this product

How much does Hifas da Terra DR. GB - Gut & Brain cost per 1 g?

£10.44 per 1 g, from £26.10 for 250 ml at Healf, checked on 20 October 2026.

How long does one pack last?

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

How much does Hifas da Terra DR. GB - Gut & Brain cost per 1 g?

£10.44 per 1 g, from £26.10 for 250 ml at Healf, checked on 20 October 2026.

How long does one pack last?

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

How much does Hifas da Terra DR. GB - Gut & Brain cost per 800 µg?

£6.26 per 800 µg, from £26.10 for 250 ml at Healf, checked on 20 October 2026.

How long does one pack last?

4 days at one 800 µg dose. The pack holds 3.33 mg in total.

How much does Hifas da Terra DR. GB - Gut & Brain cost per 1 g?

£26.54 per 1 g, from £26.10 for 250 ml at Healf, checked on 20 October 2026.

How long does one pack last?

under a day at one 1 g dose. The pack holds 983.3 mg in total.

About Hifas da Terra

All 21 Hifas da Terra products, priced per dose

More from Hifas da Terra

Keep comparing

All vitamin AEvery form, cheapest per 800 µg firstVitamin A Retinol (palmitate / acetate)10 products rankedVitamin A guideWhat it is, why people take it, how the forms differHifas da TerraAll 21 products from this brand, per doseVitaminsEverything else we price in this categoryVitamin A price historyEvery vitamin A 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