PlainVitamins

C4 Ultimate Sour Batch Bros

by Nutrabolt · powder · 368 grams

  • On the market (NIH)
  • UPC 8 42595 11231 3
  • DSLD label 228788
  • Serving 18.4 g (Approx. 1 Level Scoop)
  • 20 servings

C4 Ultimate Sour Batch Bros by Nutrabolt lists 13 ingredients, 13 with an amount per serving of 18.4 g, such as 3.2 g of CarnoSyn, 1 g of creatine hydrochloride, 1 g of creatine nitrate and 1 g of taurine, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on June 24, 2020.

What is in C4 Ultimate Sour Batch Bros?

Each row as the label prints it, per serving of 18.4 g. 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).

C4 Ultimate Sour Batch Bros: Supplement Facts rows against the market (DSLD label 228788, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydratesless than 1 g1%
Total Sugars0 g
Sodium115 mg5%Sodium in C4 Ultimate Sour Batch Bros against 14,514 products115 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.115 mg

Higher than 68% of 14,514 products listing sodium (median 55 mg).

C4 Super Citrulline Pump Matrix6 g
L-Citrulline4 gCitrulline in C4 Ultimate Sour Batch Bros against 1,209 products5 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.5 g

Higher than 73% of 1,209 products listing citrulline (median 3 g).

Citrulline Malate1 gCitrulline malate in C4 Ultimate Sour Batch Bros against 655 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

71% of 655 products listing citrulline malate give more (median 3 g).

Citrulline Nitrateas NitraMaxCitrulline Nitrate (Form: as NitraMax (Alt. Name: NO3-C))1 g
CarnoSynas Beta-Alanine3.2 gBeta-Alanine in C4 Ultimate Sour Batch Bros against 1,778 products3.2 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.3.2 g

Higher than 66% of 1,778 products listing beta-alanine (median 2 g).

Creatine Hydrochloride1 gCreatine in C4 Ultimate Sour Batch Bros against 1,768 products2 g per serving; the middle half of products list 1.11 g to 5 g, the median 2.5 g.2 g

54% of 1,768 products listing creatine give more (median 2.5 g).

Creatine Nitrateas NO3-TCreatine Nitrate (Form: as NO3-T) Note: patented1 g
Taurine1 gTaurine in C4 Ultimate Sour Batch Bros against 2,337 products1,000 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.1,000 mg

Higher than 58% of 2,337 products listing taurine (median 500 mg).

N-Acetyl-L-Tyrosine400 mgN-Acetyl Tyrosine in C4 Ultimate Sour Batch Bros against 344 products400 mg per serving; the middle half of products list 100 mg to 500 mg, the median 250 mg.400 mg

Higher than 67% of 344 products listing N-acetyl tyrosine (median 250 mg).

Caffeine Anhydrous300 mgCaffeine in C4 Ultimate Sour Batch Bros against 3,358 products300 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.300 mg

Higher than 76% of 3,358 products listing caffeine (median 200 mg).

AlphaSize 50% A-GPC200 mgAlpha-GPC in C4 Ultimate Sour Batch Bros against 656 products200 mg per serving; the middle half of products list 150 mg to 300 mg, the median 200 mg.200 mg

49% of 656 products listing alpha-GPC give more (median 200 mg).

Theacrine62.5 mgTheacrine in C4 Ultimate Sour Batch Bros against 237 products62.5 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.62.5 mg

Higher than 52% of 237 products listing theacrine (median 50 mg).

Rauwolfia vomitoria root extract1 mgAfrican Snakeroot in C4 Ultimate Sour Batch Bros against 102 products1 mg per serving; the middle half of products list 1 mg to 2 mg, the median 2 mg.1 mg

70% of 102 products listing african snakeroot give more (median 2 mg).

Huperzine Aas Toothed Clubmoss extractHuperzine A (Form: from Toothed Clubmoss (Huperzia serrata) aerial parts extract PlantPart: aerial parts Genus: Huperzia Species: serrata)50 mcgHuperzine in C4 Ultimate Sour Batch Bros against 589 products50 mcg per serving; the middle half of products list 50 mcg to 200 mcg, the median 100 mcg.50 mcg

64% of 589 products listing huperzine give more (median 100 mcg).

Source: NIH ODS Dietary Supplement Label Database, label 228788 (entered June 24, 2020), version 9.4.0. See the label on DSLD. 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:

  • 70% of the 102 products that print an amount of african snakeroot list more than its 1 mg of rauwolfia vomitoria root extract (filed by NIH under african snakeroot) (median 2 mg).

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.

Which products have the closest formulas?

The products whose ingredient lists overlap most with C4 Ultimate Sour Batch Bros'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
Take one serving (approx. 1 scoop) of C4 Ultimate, mixed with 12 fl. oz of water (adjust for taste preference) 20-30 minutes before training.
Use only as directed.
Warnings
Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine.
Warning: This product is only intended to be consumed by healthy adults, 18 years of age or older.
Do not use this product if you are pregnant, nursing, currently taking PDE-5 inhibitor or nitrates for chest pain.
Before taking this product, consult a licensed, qualified, healthcare professional, especially if you are taking any other dietary supplement, prescription drug or over-the-counter medication; or, if you suspect you have or have been treated for, diagnosed with, or have a family history of, any medical condition, including but not limited to: high or low blood pressure, diabetes, anxiety, cardiovascular, psychiatric or seizure disorders, cardiac arrhythmia, stroke, heart, liver, kidney, or thyroid disease, or difficulty urinating due to prostate enlargement.
This product contains caffeine and should not be used in combination with caffeine or stimulants from other sources. Discontinue use 2 weeks prior to surgery. Immediately discontinue use and contact a medical doctor if you experience any adverse reaction to this product. Do not use this product continuously for more than 8 weeks. Do not use if safety seal is broken or missing.
Keep out of reach of children.
Allergens and what it does not contain
Clean No artificial dyes. No artificial flavors.
Storage
Store in a cool dry place.

Source: label statements in DSLD label 228788.

What else is on the label?

Other ingredients: Citric Acid, Calcium Silicate, Natural flavors, Sodium Bicarbonate, Silicon Dioxide, Malic Acid, Sucralose, Acesulfame Potassium, Beta-Carotene, Spirulina extract.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): NO3 T Nitrate technology Con-Cret reinforced TeaCrine AlphaSize CarnoSyn carnosine synthesizer; Project Clear Evolution Clean. Clear. Evolved.

How many labels does C4 Ultimate Sour Batch Bros have?

One label is on file, entered on June 24, 2020.

  1. Label 228788 (current) Entered June 24, 2020 · on the market · 368 grams · UPC 8 42595 11231 3

DSLD also links this label to: C4 Ultimate Cotton Candy (flavor difference), C4 Ultimate Orange Mango (flavor difference), C4 Ultimate Icy Blue Razz (flavor difference).

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

Who makes it?

The label names Nutrabolt (distributor), Bryan, TX. All Nutrabolt products.

Where next?