Coreplex · Brands · Transparent Labs
Bulk Pre-Workout
Bulk Pre-Workout by Transparent Labs costs $49.99 for Flavor: Sour Grape, Size: 30 Servings 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 | $49.99 for Flavor: Sour Grape, Size: 30 Servings |
| 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, Peach Mango, Pineapple Coconut, Pink Lemonade, Raspberry Hibiscus, Sour Grape, Sour Watermelon, Strawberry Kiwi, Strawberry Lemonade, Tropical Punch, Watermelon, White Cherry |
| Rating | 4.7 of 5 from 10,150 reviews on the seller's store |
| Shopify catalog ID | 4Ll3oEU3YYG3vBaTXEs31y |
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-preworkout).
What Transparent Labs says
Overview Pre-workout supplements—all with virtually identical formulas—are a dime a dozen these days. As one of the industry’s top-selling pre-workout powders, Transparent Labs Bulk Pre-Workout has separated itself from the competition thanks to a comprehensive, evidence-based lineup of clinically dosed ingredients, fully transparent labeling, and absolutely no artificial color/food dyes, artificial sweeteners, or artificial flavoring. With over 17 grams of active ingredients per scoop, BULK Pre-Workout sets the stage for you to crush it in the gym and pack on lean muscle mass by enhancing muscle strength, blood flow (muscle pumps), endurance, focus, and energy. Key Features Science-Based Pre-Workout Supplement for Increasing Lean Muscle Mass: BULK Pre-Workout is formulated for gym-goers and athletes who prioritize muscle-building and improved physical performance. Enhances Strength, Stamina, and Muscle Pumps During Training: With an unmatched blend of clinically dosed nitric oxide boosters and ergogenic aids, BULK Pre-Workout fortifies athletic performance and bolsters blood flow starting from the very first scoop. Supports Anabolic Hormone Production: The natural testosterone-supporting ingredients in BULK Pre-Workout provide lasting nutritional support for muscle growth and recovery. Promotes Mental acuity, Focus, Drive, and Energy: Get dialed in for every workout with hard-hitting nootropics like AlphaSize® alpha-GPC, PurCaf® caffeine, L-tyrosine, and taurine. Naturally Flavored and Sweetened with Stevia: Most pre-workouts come loaded with artificial colors, sweeteners,
Frequently Asked Questions (from the seller's page)
How much caffeine does bulk pre-workout have? Each serving of Bulk Pre-Workout contains 200 mg of caffeine from organic green coffee beans. This is roughly the amount of caffeine found in two 8-ounce cups of dark coffee. Can I take Bulk Pre-Workout on non-training days? Yes, you can take Bulk 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 Pre Workout if I am subjected to drug testing for my sport? Yes, absolutely. Transparent Labs Bulk Pre-Workout contains zero banned substances and is Informed Choice certified for athletes. What is the difference between Transparent Labs Bulk, Lean, and Stim-Free Pre-Workouts? Bulk is designed to support lean muscle growth and includes testosterone-supporting micronutrients, while Lean Pre Workout is designed to support fat loss and includes a thyroid support complex. Stim Free Pre Workout , as the name suggests, contains zero stimulants and has added elevATP® for energy production. Why doesn't Bulk 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.