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Dr. GB Syrup (Reishi, Lion’s Mane)


This food supplement strengthens the defenses and contributes to the normal functioning of the Immune system.
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Lactose free
Vegetable capsule
Certifié GMP
Made in Europe
Sans gluten
Production biologique certifiée

Dr. GB syrup supports the gut-brain axis and improves digestive and immune health by providing prebiotics that help balance the intestinal microbiota. This food supplement only contains extracts of Reishi and Lion’s Mane, and is enriched with vitamins C and A.

* Dr. GB syrup contains prebiotics and vitamins C and A that contribute to normal psychological function and the maintenance of mucous membranes.


Minimum usage period: 60 days



Dosage: 0.50 mL / kg of weight.

The recommended dose is calculated based on body weight. Consult your practitioner if you have questions about the dosage regimen.

How is it taken?

250 ml liquid for direct oral administration in the mouth by syringe.

Shake the bottle before use
Insert the pippete into the hole in the perforated cap
Invert the bottle and withdraw the required dose
Administer directly from the syringe to the mouth
Wash the syringe after each intake

Contraindications and precautions

Do not administer in case of hypersensitivity or allergy to any of its ingredients.


Studies carried out by Hifas da Terra and the Medina Foundation show a low risk of drug interactions due to inhibition of hepatic cytochromes CYP450 (CYP34A, CYP2D6 and CYP2C9 exclusively using Hifas da Terra extracts.


Shake before using.

Food supplements should not be used as a substitute for a varied and balanced diet or for a healthy lifestyle.

Do not exceed the recommended daily dose.

Keep out of the reach of children.

Do not consume if the seal is damaged or broken.

Adverse reactions

No adverse reactions have been observed previously. Conservation

Keep the product in its original container and store in a cool, dry place protected from light. Store the product in a refrigerator for a better experience in consuming the product.


It is recommended to consume the product preferably within 40 days of opening.

Due to the use of natural ingredients, changes in color or flavour are normal without affecting the quality of the product.


In the case of plane travel, remember the transport of liquids in hand luggage is restricted to containers of up to 100 mL. Take the product ingredients label with you including the collegiate number and signature. You can request this from your healthcare professional or contact Hifas da Terra: / (+44) 0787 930 6510 .



Ingredients per serving (15 mL)

Water, Agave syrup tequilana (BIO), γ-ciclodextrin from enzymatic fermentation, vegan, Concentrated organic acerola juice (Malpighia glabra L.), Organic extract of fruiting body of Ganoderma lucidum (Ganozumib®) *, Organic extract of fruiting body of Hericium erinaceus (Herizumib®) *, L-Ascorbic acid (Vitamin C), Natural strawberry flavour, Potassium sorbate (E-202) (Preservative), Vitamin A acetate, Citric acid anhydrous (E-330) (Acidity regulator).

Beta-glucans 134 mg
Alpha-glucans 59 mg
L-Ascorbic acid (Vitamin C) 59 mg
Vitamin A acetate 200 mg

*NRV: Nutrient Reference Values


Product suitable for vegans and vegetarians. Product free of allergens according to Reg. (EU) No. 1169/2011 Product free of gluten according to Reg. (EU) No. 609/2013 Product free of GMOs according to Reg. CE 1829 / 2003 and 1830/2003

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Place your order today and you will receive it in 24-72 hours (express), 3-4 working days (standard).

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Healthcare professionals
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Hifas da Terra is a biotech that researches and develops safe food supplements from medicinal mushrooms.

We have a free consultation service that guides you on the proper use of our formulas.



Delivery time and more information:

UK standard delivery: 

  • £6.61 on orders under £60 and FREE when you spend £60 or more.
  • You will receive your order within 3 – 4 working days. Items will be delivered Monday – Friday.

IRELAND delivery:

  • 20 € on orders under 200 € and FREE when you spend 200 € or more.
  • You will receive your order within 7 working days. Items will be delivered Monday – Friday.

Delivery time and more information:

This weekend 17th and 18th of June we are offering free shipping across our website (excludes Ireland). Please note that this offer is temporary it is only valid in the UK.

UK standard delivery: 

  • You will receive your order within 3 – 4 working days. Items will be delivered Monday – Friday.

UK express delivery:

  • £10 Order before 1pm for delivery within 24 to 48 hours on working days.
  • Orders placed after 1pm will be processed the next day. Items will be delivered 8am – 8pm (Monday – Sunday). We are not able to give you a specific delivery time.

IRELAND delivery:

  • 20 € on orders under 60 € and FREE when you spend 60 € or more.
  • You will receive your order within 7 working days. Items will be delivered Monday – Friday.