Coreplex · Brands · Transparent Labs
Bulk Black Pre-Workout
Bulk Black Pre-Workout by Transparent Labs costs $54.99 for Flavor: Blue Raspberry at Transparent Labs, the brand's official store, as of October 18, 2026. Returns: 45 days from delivery to request a return; items must be unopened; you pay return shipping; excluded: intimates hygiene, personalized. Checkout happens on the seller's own store; Coreplex adds no fees.
At a glance
| Brand | Transparent Labs |
|---|---|
| Sold by | Transparent Labs (the brand's official store) |
| Price | $54.99 for Flavor: Blue Raspberry |
| Price checked | October 18, 2026, before tax and shipping. The live page and the seller's store have the current price. |
| Availability | In stock at the seller when checked |
| Condition | new |
| Flavor options | Black Cherry, Blue Raspberry, Blueberry Pomegranate, Cherry Kiwi, Grape Limeade, Peach Mango, Sour Gummy, Strawberry Mango, Watermelon Peach |
| Rating | 4.7 of 5 from 957 reviews on the seller's store |
| Shopify catalog ID | 4Bth1HKHYHGTX70Gm9uQR4 |
Shipping and returns
Returns, refunds and shipping follow Transparent Labs's own policy, not Coreplex's. Read it before buying, especially for opened, hygiene or final-sale items.
In short: 45 days from delivery to request a return; items must be unopened; you pay return shipping; excluded: intimates hygiene, personalized.
| Term | Transparent Labs's policy | Exact wording |
|---|---|---|
| Return window | 45 days | If you are not satisfied with your product purchased from our website or one of our authorized sellers in the United States, we will offer you a full refund or store credit for the value of the item within 45 days of delivery. |
| Window counts from | delivery | If you are not satisfied with your product purchased from our website or one of our authorized sellers in the United States, we will offer you a full refund or store credit for the value of the item within 45 days of delivery. |
| Item condition | unopened | The 14-day right of withdrawal only applies if the product remains completely sealed. |
| Return shipping | paid by you | Please note that under Article 14(1) of Directive 2011/83/EU, customers are responsible for the cost of return shipping. |
| Not returnable | intimates or hygiene items, personalized items | This right applies to all items purchased through our store, with certain exceptions such as digital products, perishable goods, sealed personal hygiene products, and personalized items, as set forth in Article 16 of Directive 2011/83/EU. |
| Refund goes to | store credit | If you are not satisfied with your product purchased from our website or one of our authorized sellers in the United States, we will offer you a full refund or store credit for the value of the item within 45 days of delivery. |
| Refund timing | 45 days | If you are not satisfied with your product purchased from our website or one of our authorized sellers in the United States, we will offer you a full refund or store credit for the value of the item within 45 days of delivery. |
Read from Transparent Labs's refund policy on October 18, 2026. Terms the policy doesn't settle are left out rather than guessed.
Other stores selling it
Coreplex counts another store's listing as the same item only when it shares a Shopify catalog ID or barcode with this one; lookalikes are shown as similar and never priced as equals. The live page runs that check now. AI agents can run it with the Coreplex MCP tools get_passport or compare_prices (product_url: https://www.transparentlabs.com/products/bulk-black-pre-workout).
What Transparent Labs says
Overview Transparent Labs Bulk Black is the pinnacle of a clinically dosed pre-workout supplement for stim lovers. If you have experience with our regular Bulk Pre-Workout formula but want some extra "pep" in your step, this is the pre-workout for you. Each scoop of Bulk Black packs over 17 grams of proven nitric oxide boosters, hard-hitting nootropics, natural testosterone-supporting ingredients, and muscle fortifiers dosed according to scientific evidence, so you can bring the noise every time you walk into the gym. Like all Transparent Labs pre-workout formulas, Bulk Black contains absolutely no artificial sweeteners, flavors, food dyes, or added sugars. Key Features Evidence-Based "Hardcore" Pre-Workout for Lean Muscle Gain: Like the regular Bulk Pre-Workout formula, Bulk Black features a comprehensive lineup of science-backed active ingredients to help dedicated athletes and gym-goers build muscle mass and perform at peak capacity. Experience Intense Muscle Pumps with Proven Nitric Oxide Boosters: Bulk Black Pre-Workout contains clinical doses of L-citrulline, beta-alanine, and betaine anhydrous to enhance blood flow and give you those oh-so-satisfying, intense muscle pumps during training. Stimulates Mental Sharpness, Focus, Drive, and Energy: Get into the "zone" every time you hit the gym with nootropics backed by scientific evidence, like alpha-GPC (AlphaSize®), caffeine (PurCaf®), L-tyrosine, and taurine. Bulk black pre-workout contains just the right amount of hard-hitting nootropics to deliver a psychotropic rush without the dreaded post-workout crash. Epic All-N
Frequently Asked Questions (from the seller's page)
How much caffeine does bulk black pre-workout have? Each serving of bulk black pre-workout contains 350 mg of caffeine from organic green coffee beans and Infinergy™ di-caffeine malate. Can I take bulk pre-workout on non-training days? Yes, you can take bulk black pre workout on non-training days if you want an energy boost. However, remember that this product contains caffeine and may cause restlessness if taken within 5 hours of bedtime. Can I take bulk black pre-workout if I am subjected to drug testing for my sport? Yes, absolutely. Transparent Labs bulk black pre-workout contains zero banned substances and is Informed Choice certified for athletes. What is the difference between transparent labs bulk black and bulk pre-workouts? Bulk Pre-Workout is designed to support lean muscle growth and includes testosterone-supporting micronutrients, while BULK BLACK is a” harder hitting” version of BULK due to the extra caffeine and nootropic contents. Why doesn't bulk black pre-workout contain creatine? Large doses of caffeine may interfere with the ergogenic effects of creatine [ 34 ]; since bulk pre-workout contains caffeine, we decided to keep the creatine separate .
What Coreplex could not confirm
- Brand confirmation from the brand itself. The brand has not claimed this listing on Coreplex.
- Whether other stores sell this exact item. Coreplex only calls two listings the same item when they share a Shopify catalog ID or a barcode.
- Independent evidence for claims in the listing. Claims are the seller's own.
- A barcode (GTIN) for this listing. Without one, price comparisons with other stores are only possible through Shopify's own catalog grouping.
- Prices for the other options: the price above is for the option shown only.