Beta Alanine Extreme

by Prolab · capsule · 56 capsules

  • On the market (NIH)
  • UPC 7 50902 10249 3
  • DSLD label 321832
  • Serving 2 capsules
  • 28 servings

Beta Alanine Extreme by Prolab lists 2 ingredients, 2 with an amount per serving of 2 capsules, such as 800 mg of CarnoSyn and 75 mg of L-histidine. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2025.

What is in Beta Alanine Extreme?

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).

Beta Alanine Extreme: Supplement Facts rows against the market (DSLD label 321832, January 2026 release)
IngredientAmount% DVAmong products listing it
CarnoSynas Beta-Alanine800 mgBeta-Alanine in Beta Alanine Extreme against 1,778 products0.8 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.0.8 g

92% of 1,778 products listing beta-alanine give more (median 2 g). Per day at the most servings: 3.2 g.

L-Histidine75 mgHistidine in Beta Alanine Extreme against 591 products75 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.75 mg

65% of 591 products listing histidine give more (median 125 mg). Per day at the most servings: 300 mg.

Source: NIH ODS Dietary Supplement Label Database, label 321832 (entered March 25, 2025), 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:

  • 92% of the 1,778 products that print an amount of beta-alanine list more than its 0.8 g of CarnoSyn (filed by NIH under beta-alanine) (median 2 g).

The NIH database records 4 servings 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.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Beta Alanine Extreme's, rare ingredients counting for more.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

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
Directions: Take 2 capsules, four times daily, with a meal.
Warnings
Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.
Keep out of reach of children.
Allergens and what it does not contain
No: Milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, yeast, artificial colors or flavors, added sugar or preservatives.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 321832.

What else is on the label?

Other ingredients: Rice Flour, Microcrystalline Cellulose, Magnesium Stearate, Gelatin.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Prolab Quality Assurance.

How many labels does Beta Alanine Extreme have?

5 labels are on file under this name since October 26, 2011: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 321832 (current) Entered March 25, 2025 · on the market · 56 capsules · UPC 7 50902 10249 3
  2. Label 77321 Entered December 22, 2017 · on the market · 240 capsules · UPC 7 50902 20270 4
  3. Label 77302 Entered August 22, 2017 · on the market · 56 capsules · UPC 7 50902 10249 3
  4. Label 31511 Entered March 25, 2014 · off the market June 26, 2017 · 240 capsules · UPC 7 50902 20270 4
  5. Label 1282 Entered October 26, 2011 · off the market February 28, 2014 · 240 capsules · UPC 7 50902 20270 4

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

Who makes it?

The label names Prolab Nutrition LLC (distributor), Fairfield, OH. All Prolab products.

Where next?