



Go-Ergo MUSHROOM POWDER (100g)
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Golden Oyster (Go–Ergo)
Whether you are looking to stay mentally sharp as you age or provide your cells with additional support against everyday environmental stressors, Go–Ergo offers a simple, effective way to nourish the body at a cellular level.
Go–Ergo provides a natural dietary source of L-ergothioneine, a unique amino acid antioxidant that the human body cannot synthesise on its own and must obtain from food sources.
OMG Mushrooms Go–Ergo contains no mycelium, grain, or unnecessary fillers, only carefully selected mushroom fruiting bodies, produced to support long-term wellbeing and resilience.
Research-informed properties of L-ergothioneine† may include:
• Support for healthy cognitive function and mental clarity
• Contribution to antioxidant defences against oxidative stress
• Support for cellular health associated with healthy ageing
• Promotion of overall wellbeing and physiological resilience
Emerging human research continues to explore the role of L-ergothioneine in healthy ageing and neuroprotective pathways.
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PRODUCT IN DEVELOPMENT
Ergothioneine (Ergo) is a food-derived antioxidant that is found in high amounts in certain fungi.
Until recently, Ergo was only offered as a nutraceutical sourced from either synthetic or purified yeast derived isolates.
OMG's Mushroom's Go-Ergo (short for Golden Oyster Ergothioneine), is an extract powder from Golden Oyster mushrooms (Pleurotus citrinopileatus) that delivers a NATURAL and therapeutic amount of Ergo plus a full matrix of other therapeutic compounds (including but not limited to beta-glucans, ergosterol, insoluble and soluble fibre and secondary metabolites).
We believe nature knows best so our Golden Oysters are cultivated on site ... soon to be working on ways as to increase Ergothionine levels naturally. This ensures individuals who are sensitive to yeast and for others wanting a Non-Synthetic and natural full-spectrum ingredient, Go-Ergo is the perfect match.
Go-Ergo contains ergothioneine levels in a whole food mushroom matrix. The original mushroom fibre is retained for added pre-biotic benefits.

Future research into Ergothioneine in Golden Oyster mushrooms
At OMG Mushrooms we are deeply interested in the remarkable natural compound ergothioneine, an antioxidant amino acid produced primarily by fungi. While mushrooms are recognised as one of the richest dietary sources of ergothioneine, research shows that levels can vary significantly depending on the mushroom species, strain and the conditions under which they are grown.
As part of our ongoing work, we hope to gain some funding and support into how cultivation methods may influence ergothioneine production in Golden Oyster mushrooms (Pleurotus citrinopileatus). This research will involve investigating several interacting factors, including strain selection, substrate composition and environmental growing conditions. By carefully adjusting elements such as nutrient availability, growing substrates and light conditions, we aim to better understand how these factors may influence the natural biosynthesis of ergothioneine within the mushroom. Bringing you the most rich Ergothioneine products we can.
Our approach will combine traditional mushroom cultivation knowledge with emerging scientific insights into fungal metabolism. This work is still exploratory, but it reflects our commitment to advancing the understanding of functional mushrooms and contributing to the broader field of mushroom science.

PREMIUM QUALITY
Why Golden Oyster Mushrooms?
Golden Oyster mushrooms (Pleurotus citrinopileatus) are one of the most vibrant and distinctive members of the oyster mushroom family. Recognised by their bright yellow caps and delicate texture, they are valued both as a gourmet culinary ingredient and as a mushroom of growing interest within the functional food sector.
Like many species in the Pleurotus genus, Golden Oyster mushrooms are highly efficient at converting natural plant materials into nutrient-rich food. They grow on agricultural by-products such as straw and wood-based substrates, transforming these materials into edible mushrooms rich in fibre, minerals, beta-glucans and other naturally occurring compounds. Their rapid growth and adaptability have made them an important species in sustainable mushroom cultivation around the world.
In addition to their culinary appeal, Golden Oyster mushrooms are attracting scientific interest because they may contain relatively high levels of ergothioneine, a naturally occurring antioxidant compound produced primarily by fungi. This has led researchers and mushroom producers alike to explore how cultivation practices might influence the levels of this compound within the mushroom itself.

More about Ergothionine
What Makes Ergothioneine Unique?
Ergothioneine is a naturally occurring amino acid derivative that is produced mainly by fungi and certain microorganisms. Unlike many nutrients that plants and animals produce themselves, humans obtain ergothioneine almost entirely through the foods we eat, with mushrooms considered the most significant dietary source.
What makes ergothioneine particularly interesting to scientists is the presence of a specialised transport protein in the human body known as OCTN1 (Organic Cation Transporter 1). This transporter appears to actively move ergothioneine into cells and tissues, suggesting that the body may selectively retain this compound. As a result, ergothioneine has become an area of growing research interest in fields exploring cellular protection, ageing and nutrition.
Because mushrooms naturally synthesise ergothioneine as part of their metabolism, they remain the most concentrated dietary source available. This unique relationship between fungi and ergothioneine is one of the reasons mushrooms have become an important focus of both nutritional research and functional food innovation.
