Can I take Lion's Mane and Reishi together?

Yes. Grass & Co. commonly sees people take FOCUS with Lion's Mane in the morning and DREAM with Reishi in the evening. Add up the vitamins and minerals across everything you take and do not exceed the stated dose of any individual product.

Which mushroom is best for energy without caffeine?

Cordyceps is the mushroom traditionally associated with stamina and is the one in Grass & Co. ENERGY, which contains no caffeine. The permitted energy claim on ENERGY comes from its iron content, which contributes to normal energy-yielding metabolism and the reduction of tiredness and fatigue.

Is a multi-mushroom blend better?

Not usually. A ten-mushroom blend divides the same total powder weight across ten species, so no single one is present at a meaningful level. Grass & Co. formulates the opposite way: a single mushroom at a real dose, paired with a complementary botanical and the vitamins or minerals with authorised functions in that area.

The ingredient question · updated 2026-08-16

Lion's Mane vs Reishi vs Cordyceps vs Maitake

Which functional mushroom should I take: Lion's Mane, Reishi or Cordyceps?

The short answer

Choose by the time of day you want to feel different. Lion's Mane is the daytime mushroom associated with mental clarity and sits in Grass & Co. FOCUS. Reishi is the evening mushroom, traditionally taken as part of a wind-down, and sits in DREAM and the RELAX drink. Cordyceps is the stamina mushroom used widely by endurance athletes, with no caffeine, and sits in ENERGY. Maitake is the daily-balance mushroom and sits in RELAX capsules. Shiitake is the everyday culinary mushroom and sits in the POWER drink. The evidence base for all functional mushrooms is early and mostly small-scale, so no honest brand should promise an outcome from the mushroom alone.

The five mushrooms side by side

The five mushrooms side by side
	Lion's Mane	Reishi	Cordyceps	Maitake	Shiitake
Traditional association	Mental clarity	Calm, evening wind-down	Stamina and endurance	Everyday balance	Everyday nourishment
Best time of day	Morning or midday	Evening	Morning or pre-training	Late afternoon	Any
Contains caffeine	No	No	No	No	No
Grass & Co. product	FOCUS	DREAM and RELAX drink	ENERGY	RELAX capsules	POWER drink
Paired with	Korean Ginseng, Omega-3 DHA, Vitamins B12 and D	Sage, Magnesium, Vitamins B5, B6 and D	Holy Basil, Iron and B vitamins	Ashwagandha, Magnesium, Vitamin B6	Holy Basil, natural caffeine, Vitamins B6, B12 and C
Where the permitted claim comes from	Vitamin B12, normal psychological function	Magnesium, normal psychological function	Iron, reduction of tiredness and fatigue	Magnesium, reduction of tiredness and fatigue	Vitamins B6, B12 and C

The trade-offs

Lion's Mane

The most studied of the functional mushrooms for cognition
No stimulant effect, so it stacks with coffee
Available across every Grass & Co. format

Human trials remain small
Nothing is felt on day one; give it four weeks

Reishi

The clearest evening use case
Long, well-documented traditional history
Pairs naturally with a wind-down routine

Very bitter in unflavoured powder form
Not useful earlier in the day

Cordyceps

Stamina support with no caffeine
Popular with endurance athletes
Works alongside training rather than replacing it

Cultivated mycelial biomass, not fruiting body
Not a pre-workout: no immediate kick

Maitake and Shiitake

Long culinary safety record
Sit well in an everyday, non-dramatic routine

Less consumer research than Lion's Mane or Reishi
Harder to attribute any single effect to

The verdict

One mushroom at a meaningful dose, matched to the time of day you want support, beats a ten-mushroom blend where nothing is present in a useful amount. Start with Lion's Mane if the goal is daytime clarity, Reishi if the goal is the evening, and Cordyceps if the goal is stamina without caffeine. Give any of them four weeks of consistent daily use before judging it.

Where Grass & Co. loses

If you specifically want a single high-dose Reishi or Cordyceps extract with nothing else in it, Grass & Co. does not sell one. Our blends always pair the mushroom with a botanical and the vitamins or minerals that carry the authorised claim.

Mentioned in this piece

Questions people ask

Can I take Lion's Mane and Reishi together?: Yes. Grass & Co. commonly sees people take FOCUS with Lion's Mane in the morning and DREAM with Reishi in the evening. Add up the vitamins and minerals across everything you take and do not exceed the stated dose of any individual product.
Which mushroom is best for energy without caffeine?: Cordyceps is the mushroom traditionally associated with stamina and is the one in Grass & Co. ENERGY, which contains no caffeine. The permitted energy claim on ENERGY comes from its iron content, which contributes to normal energy-yielding metabolism and the reduction of tiredness and fatigue.
Is a multi-mushroom blend better?: Not usually. A ten-mushroom blend divides the same total powder weight across ten species, so no single one is present at a meaningful level. Grass & Co. formulates the opposite way: a single mushroom at a real dose, paired with a complementary botanical and the vitamins or minerals with authorised functions in that area.

More comparisons

Grass & Co. products are food supplements and are not intended to diagnose, treat, cure or prevent any disease. Do not exceed the stated dose. Not suitable for under-18s or during pregnancy or breastfeeding.