PlainVitamins

Mushroom Energy & Endurance

by Kirkman · capsule · 120 capsules

  • On the market (NIH)
  • UPC 8 12325 02847 4
  • DSLD label 297232
  • Serving 2 capsules
  • 60 servings

Mushroom Energy & Endurance by Kirkman lists 7 ingredients, 7 with an amount per serving of 2 capsules, such as 364 mg of reishi fruiting body extract, 273 mg of cordyceps mycelium extract, 182 mg of acetyl-L-carnitine hydrochloride and 182 mg of L-arginine hydrochloride. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2023.

What is in Mushroom Energy & Endurance?

Each row as the label prints it, per serving of 2 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Mushroom Energy & Endurance: Supplement Facts rows against the market (DSLD label 297232, January 2026 release)
IngredientAmount% DVAmong products listing it
Reishi fruiting body extract364 mgReishi mushroom in Mushroom Energy & Endurance against 500 products364 mg per serving; the middle half of products list 50 mg to 500 mg, the median 180 mg.364 mg

Higher than 70% of 500 products listing reishi mushroom (median 180 mg).

Cordyceps Mycelium Extractas Cordyceps sinensis Mycelium Extract273 mgCordyceps in Mushroom Energy & Endurance against 450 products273 mg per serving; the middle half of products list 100 mg to 600 mg, the median 250 mg.273 mg

Higher than 54% of 450 products listing cordyceps (median 250 mg).

Acetyl-L-Carnitine Hydrochloride182 mgAcetyl L-Carnitine in Mushroom Energy & Endurance against 933 products182 mg per serving; the middle half of products list 200 mg to 525 mg, the median 500 mg.182 mg

76% of 933 products listing acetyl L-carnitine give more (median 500 mg).

L-Arginine Hydrochloride182 mgArginine in Mushroom Energy & Endurance against 1,455 products182 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.182 mg

74% of 1,455 products listing arginine give more (median 500 mg).

L-Citrulline182 mgCitrulline in Mushroom Energy & Endurance against 1,209 products0.182 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.0.182 g

95% of 1,209 products listing citrulline give more (median 3 g).

Taurine182 mgTaurine in Mushroom Energy & Endurance against 2,337 products182 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.182 mg

71% of 2,337 products listing taurine give more (median 500 mg).

Coenzyme Q-1045 mgCoenzyme Q-10 in Mushroom Energy & Endurance against 2,922 products45 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.45 mg

66% of 2,922 products listing coenzyme Q-10 give more (median 60 mg).

Source: NIH ODS Dietary Supplement Label Database, label 297232 (entered September 25, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 95% of the 1,209 products that print an amount of citrulline list more than its 0.182 g of L-citrulline (filed by NIH under citrulline) (median 3 g).

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Use: Take two capsules daily or as directed by a physician.
Warnings
Caution: Do not use if you have mushroom allergies.
Formulated for adults and children four years and older. For children under four, consult a physician.
Allergens and what it does not contain
Free of: Milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy, and sesame.
Gluten-free
Storage
Important: Important: Store in a cool dry place and tightly capped.

Source: label statements in DSLD label 297232.

What else is on the label?

Other ingredients: Hypromellose, Water, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Ultra Tested cGMP Current Good Manufacturing Practices Consistent Quality.

How many labels does Mushroom Energy & Endurance have?

One label is on file, entered on September 25, 2023.

  1. Label 297232 (current) Entered September 25, 2023 · on the market · 120 capsules · UPC 8 12325 02847 4

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Kirkman (manufacturer), Lake Oswego, OR. All Kirkman products.

Where next?