Which Berserk pre-workout do you mean?
Berserk appears in real supplement names, so a search for “Berserk pre-workout” needs more context than a promise of extreme energy. The name alone does not identify one manufacturer, formula or caffeine dose. This guide distinguishes verified brand listings without assuming that every search refers to the same tub.
Named products worth distinguishing
- Predator Labs Berserk 3.0: The manufacturer’s product page identifies a 40-serving pre-workout and names L-citrulline, beta-alanine and Rhodiola rosea in its description. Those ingredient names do not establish their amounts or the product’s total stimulant exposure.
- Berserker Labs Go Berserk: The brand’s Fruit Punch listing identifies a separate 300 g powder. Its serving instructions and warnings belong to that product and should not be applied to Predator Labs Berserk.
- Black Magic Supply BZRK: The manufacturer lists BZRK as a 25-serving pre-workout. BZRK is its actual spelling. It should not automatically replace “Berserk” in a review, ingredient list or product photograph.
These are identification examples, not interchangeable recommendations. A manufacturer listing confirms how a product is presented; it does not independently prove performance claims or establish that the formula suits a particular person.
Check the exact label before comparing
Match the manufacturer, full product name, version, flavor and country of sale to the container you intend to buy. Then check serving size in grams, scoops per serving, caffeine from all declared sources, other stimulants, ingredient amounts and warnings. If the seller does not provide a readable current label, ask for one before purchasing. Do not borrow a caffeine figure from a similarly named product.
Bucked Up’s WOKE AF is a separately branded comparison shown on this page. Its photograph does not depict Predator Labs Berserk, Berserker Labs Go Berserk or Black Magic Supply BZRK.
Stimulant strength is not a dosing goal
The FDA cites 400 mg caffeine per day as an amount generally not associated with negative effects for most adults. That is not a target, a single-serving recommendation or a guarantee for stimulant combinations. Sensitivity, medications and medical conditions matter, and coffee, tea and energy drinks contribute to the same daily total.
Follow the exact container’s directions rather than increasing scoops to chase a stronger effect. If you take medication, have a medical condition, or are pregnant or breastfeeding, discuss caffeine and supplement use with a qualified healthcare professional.
Product pages and existing offers
These are affiliate links; we may earn a commission from qualifying purchases. Check current labels and checkout terms. Discounts, including any 20% offer or code SHAWTAYYYY7, are subject to eligibility and are not guaranteed.
The larger sample-kit campaign is distinct from older three-sample or five-sample advertisements. Confirm current contents, shipping, customer eligibility and optional add-ons on its landing page.
Sources and review notes
Reviewed October 12, 2026. Predator Labs Berserk 3.0 manufacturer listing. Berserker Labs Go Berserk Fruit Punch manufacturer listing. Black Magic Supply BZRK manufacturer listing. FDA: How Much Caffeine Is Too Much?. This is editorial guidance based on identified labels and sources, not a report of personal product testing. Product versions and offers can change.
