Jack3d by USP Labs is a potent pre-workout supplement designed to elevate energy levels, enhance focus, and increase endurance during workouts. structures of "amphetamine" and 1,3-dimethylamine are not identical, it is. . Soaring energy levels, increased endurance and skin-splitting pumps is just like any other day for the product Jack3d. The tub appears to be larger than any of its other pre-workouts, the regular Nitrosurge included, and combined with the name Nitrosurge Max, has us thinking Jacked Factory is taking things up a notch with a premium pre-workout. Check out the DMHA Guide here. 5 scoops, but am seeing how I do (before going to 2-3). ACG3 has moved away from creatine monohydrate and incorporates a much better creatine. BCAA 2:1:1 – 4000mg. Nitrosurge Shred Pre-Workout Fat Burner. 5 scoops. But as Jack3d is still available in the USA, we’ll continue with this review – and see whether this pre workout really is to blame. Justice. $3999 ($2. At the height of my use of it, I was able to tolerate 2 and 3 doses at a time easily and experimented with even 4 or 5 on a rare basis. Jack3d Pre Workout works primarily by utilizing its key ingredients to target different aspects of exercise performance. Years ago JACK3D was one of the most popular and most powerful pre-workouts on the market. 99. Now available in South Africa! Jack3d Advanced. Your Cart is Empty! Proceed to Cart. 95 $ 36. Jacked Factory's Creatine Monohydrate 5000mg (85 servings) in a black bottle with white and grey label. . Jacked Gorilla was founded in 2013, and began publishing bodybuilding supplement reviews, and. Rated 4. Rumors are that this is the closest thing to OG JACK3D. Jacked Factory Nitrosurge Max Nootropic Pre Workout Powder - Premium Pre Workout w/Nootropic Ingredients for Intense Focus, Pumps, Smooth Energy, Endurance - 40 Servings, Cherry Bomb $29. Put one scoop of Jack3D Micro into 200ml of water and it mixes up no problem. Isaac Jones. From $29. Gorilla Mode: #1 Best Pre Workout. 99 more for 2 bottles of jack3d as compared to one bottle of your product. Pre Workout for Physique Improvements: Boost nitric oxide (NO) levels and blood-flow to the muscle to maximize pumps, endurance, strength, and fuel muscle growth. Nitraflex: Best Pre-Workout For Testosterone. Pre-workout Nutrition Fitness and Nutrition comments sorted by Best Top New Controversial Q&A Add a Comment [deleted] • Additional comment actions. -. 8. Nitrosurge Pre-Workout Powder. There are guys out there who swear by it. This item: Jacked Factory Nitrosurge Pre-Workout in Cotton Candy & Watermelon Nitrosurge Shred Thermogenic Pre-Workout for Men & Women $48. When it comes to building muscle mass, some people choose to go for the ‘split training’ option. 99. Burn-XT™ Thermogenic Fat Burner w/ Capsimax™. 88. JACKED. Jack3d doesn't seem to have that effect for some reason. This is crucial in order to see quick results from your workout, which is what everyone is really looking for. We carefully crafted this energizing, sugar free pre workout powder with evidence-based ingredients like L-citrulline, beta-alanine, L-theanine, caffeine, and betaine anhydrous to help you crush your workouts every time you hit the gym. To test if DMAA has the potential to be used in stroke recovery in athletics, its cognitive effects were tested in one study (crossover) of 12 healthy young adults. $29. Buy It Now. We have everything you need to ensure that your workout game is the best it can be. Com Jack3d Usp Labs você terá picos imensos de energia e disposição. *Complement Information are based mostly on 3 scoop serving. Jacked Juice Pre-Workout is Formulated to Boost Mental Focus, Increase Performance, Provide longer lasting Endurance, Increase Nitric Oxide & Help with Recovery. legal VAT. 99 $ 37. Jacked Juice Pre-Workout for Him - Sour Gummy. SizeIf you want a pre-workout that offers a variety of stimulants at high doses while also offering clinical doses of pump and strength ingredients, try Wrecked Pre-Workout by Huge Supplements. Old Jack assists your workout with amplified energy, razor sharp focus, and prolonged. Pre Workout Powder; Kaged Pre-Kaged Sport Pre Workout for Men and Women, Increase Energy,. Avise-me quando este produto voltar ao estoque. $37. HealthKart Offers USPlabs Jack 3D Water melon 225 g at best prices. Bodybuilders loved it. 95. Gorilla Mode Pre Workout - Massive Pumps · Laser Focus · Energy · Power - L-Citrulline, Creatine, GlycerPump™, L-Tyrosine, Agmatine, Kanna, N-Phenethyl Dimethylamine Citrate - 604 Grams (Cherry) Powder 1. Avise-me quando este produto voltar ao estoque. 95. item 3 USP Labs Jack 250g 3D PRE WORKOUT Powder 45 Serving MYSTERY -WE PICK THE FLAVOR USP Labs Jack 250g 3D PRE WORKOUT Powder 45 Serving MYSTERY -WE PICK THE FLAVOR. scots23 • 12 yr. Is DMAA illegal? 9. But DMAA, most commonly used as a workout aid or dietary supplement, can have a physiological effect on the body by narrowing the. The company makes the case about taking your game to the next level; you’ll need the right ingredients at the right amounts. Originally Posted by USPlabs. - Performance Enhancing. The supplement is called Jack3d (pronounced Jacked), but the ingredient that users say sets it apart from other pre-workout supplements is 1,3 dimethylamylamine - or DMAA. Jacked Factory Nitrosurge Pre-Workout in Fruit Punch & Cherry Limeade Pumpsurge Pre-Workout for Intense Pumps & Intense Focus NITROSURGE Pre Workout Supplement - Endless Energy, Instant Strength Gains, Clear Focus, Intense Pumps - Nitric Oxide Booster & Powerful Preworkout Energy Powder - 30 Servings, Strawberry MargaritaWell look no further! GenOne Labs brings you its new maximum performance pre-workout igniter OldJack Pre Workout. Jack3D Formula Recommended Use: Mix 1 Ultra-Concentrated Scoop (5. Beyond. Creatine Monohydrate. Brand : USP Labs. Pre/Post Workout. However, many of these products, as well as other smaller brands can still be found in stores and online. This hard-hitting formula comes fully loaded with premium trademarked ingredients, including nooLVL®, PurCaf®, AlphaSize®, ElevATP®, and many more of the best pre-workout ingredients that are backed by research and validated in the trenches. Multi Vitamin, Pre Workout Supplement, Amino And BCAA, Glutamine Supplement, Creatine Supplement, Fat Burner, etc. Powder. The most popular bodybuilding message boards!Jacked Factory Nitrosurge Max Nootropic Pre Workout Powder - Premium Pre Workout w/Nootropic Ingredients for Intense Focus, Pumps, Smooth Energy, Endurance - 40 Servings, Cherry Bomb 4. cold water 30 minutes before a workout. Select the department you want to search in. Jack3d is perhaps the most popular supplement ever released and definitely a great pre-workout. The secret is Optimum Nutrition Gold Standard Pre-Workout’s three key ingredients: 375mg of acetyl-L-carnitine, 250mg of N-acetyl-L-tyrosine and a formulated muscle matrix that includes 25mg of AstraGIN®. USP Labs Jack3d 248 g od 496 Kč - Heureka. I'm 31yrs 5'11 and 170 lbs I take 2 scoops the only after effects i get are fast breathing for an hour after workout, thirsty for atleast 4 - 5 hours and bursts of energy. Best-Tasting Pre-Workout: Huge Supplements Pump Serum. Nitrosurge Pre-Workout Powder. Kundernes favorit er endelig tilbage med en endnu stærkere formel! Et velgennemtænkt PWO-produkt, som er udviklet til at fungere for både nybegyndere og erfarne brugere. 1. †. We guarantee that you are getting the safest and highest quality sports nutrition pre-workout products on the market. 10 oz. Between Mesomorph and Jack3d, six ingredients are shared:Wrecked Pre-Workout (25 Servings) $44. 4 × 4 × 6 in. Justice. DMAA is a stimulant that has received a ton of hype and mainstream controversy being the legendary Jack3d preworkout active ingredient. Alternative Product: Jack3d by USP Labs is one of the most notoriously banned pre. Though Jack'd Up is mostly a proprietary blend, most ingredients are disclosed so you know if you can include and stack other supplements with it (like nitric oxide boosters). usually 3-3. 3) Physical PerformanceMaybe Jacked 3d isn't giving me the energy I want because the stuff that my body became tolerant on in my previous pre-workout is also included in Jacked. What was in the original jacked 3d?. 5/10. But it’s better than ever and back with a vengeance. Billy Football 6/25/2022 12:30 PM. Well, it's back again!. bekijken. on non workout days, 2 oep in am and 1 6 hours later. 95 — or $ 37. Jacked Factory Nitrosurge Shred Thermogenic Pre-Workout in Black Cherry & Cherry Limeade Pumpsurge Pre-Workout for Intense Pumps, Body Recomposition & Intense Focus $42. 99. By mid-2011, Jack3d, OxyElite Pro and other weight-loss and workout products containing DMAA had become best sellers in post exchange stores and GNC outlets on bases. Manufactured in a USA cGMP Facility - All Jacked Factory pre workout supplements are manufactured in a state-of-the-art cGMP facility. Brand New. Jack3d (pronounced “jacked”) is a pre-workout supplement sold by the Dallas-based company USPlabs, which is also responsible for OxyElite Pro. Jack3d (that’s pronounced “jacked”, by the way) is also famous — or. Nitraflex: Best Pre-Workout For Testosterone. . Best Price. Burn-XT™ Thermogenic Fat Burner w/ Capsimax™. Pre Workout Powder; Kaged Pre-Kaged Sport Pre Workout for Men and Women, Increase Energy,. 65. Build-XT helps fuel lean muscle growth, strength increases, power output, and endurance in the gym with just two capsules per day pre workout. USP Labs Jack3d Label & Substances. 95. Jack3d, a pre-workout supplement, gained significant popularity among fitness enthusiasts due to its potent effects. How does the newly released reformulated Jack3D by High Tech Pharmaceuticals stand up to the VW fitness review? Well check out my full review of a legendary. item 4 USP LABS JACK3D 45 SERV ADVANCED PRE WORKOUT TRENING MATRIX CREATINE EU FORMULA USP LABS JACK3D 45 SERV. From $34. 22. Additional information Weight 10 oz Dimensions 4 × 4 × 6 in Reviews (0) Reviews There are no reviews yet. Jack3d Pre Workout includes a variety of different amino acids, stimulants, and herbs to help make sure you are pushing your muscles to their limits. 6. Do this the first 3 times using the product. Manufacturer: USPlabs. 72 Ounce (Pack of 1) 6,510. Jacked 2. Jacked Factory's Burn-XT powder Strawberry Lemonade flavor (30 servings) in a black bottle with metallic orange logo. It’s definitely on the expensive side of things, considering the original is $44. How much Dmha is in Jack3d? 4. old school jack3d - this stuff was crazy. The strong combination of the L-Arginine, L Citrulline and Nitrosigine work synergistically to increase nitric oxide production, bring you strong muscular pumps and endurance, and delay fatigue in the gym. your body has probably built up a tolerance which is why it stopped responding. Free Shipping. The price of Wrecked Extreme is $59. ( 63 customer reviews) Jack3D Original DMAA HCl Lemon. ( 33 customer reviews) Jack 3D DMAA Pre Workout USP Raspberry. Posts: 47,663. 95. If you are going for a supplement that gets you mentally jacked up and ready to work out, Jack 3D is the way to go. Jack 3d Booster,. Schisandra Chinensis. Just pick one, turn up your headphones and work hard in the gym. 5grams) with 120ml of cold water and consume 30-45 minutes prior to resistance training. Despite the increasing knowledge of the dangers of pre-workout supplements containing DMAA, the product can still be purchased—even at GNC stores. Additional information. Facebook; Instagram;. Pre-wo are mostly caffeine, beta-alanine, arginine, yohimbine maybe, and a few other randos. Pre Lab Pro Pre-Workout Formula (20 Servings) $59. When a world leading supplement company spends 3 years to find an ingredient formula worthy of carrying the original Jack3d label, you know your onto a good thing. Originally Posted by wasay. garylongs (556) 100%. 1 2 3. old school jack3d - this stuff was crazy. Jack 3D Any of y'all mugs tried the pre-workout supplement Jack 3D (by USP Labs)? I've a buddy (built like a tank) who swears by it, so I'm giving it a try. Dynamik Muscle Gamma-Ray $ 59. There are 50 servings per container, and each scoop has 3,000mg of an energizing muscle fuel blend, plus 900mg of the amplifier blend and 157mg of the mind control matrix. 99. The plaintiffs (Michael’s parents) filed wrongful death charges against USPLabs and GNC, claiming that Jack3d caused. O Xplode made me feel jittery, and kinda weak after a hour. 98 $57. $39. 99 $ 29 . C4 Extreme is formulated to support muscular endurance and fight fatigue. 99 $ 48 . 95. Jacked Factory Nitrosurge Pre-Workout in Arctic White & Watermelon Nitrosurge Shred Thermogenic Pre-Workout for Men & Women. supplement, mix scoops with. Popis produktu Jack3d Advanced je energizující stimulační komplex, který vás připraví na intenzivní trénink. 99. Jacked 3D by USPLabs is back. Opens in a new window or tab. 2g for each of its 20. Legendarisch, "the ultimate pre-workout training matrix" Niet te kopieren,. But DMAA, most commonly used as a workout aid or dietary supplement, can have a physiological effect on the body by narrowing the. Most likely the case, no one likes to feel like crap. Pre-Workout Review- Jack3d vs. Reply replySupports Muscle Strength: Our pre-workout energy drink has Beta Alanine that helps prolong training endurance, delay onset of exercise induced fatigue, increase power output and recovery rate. Contents may settle. Jacked Factory has indeed stepped things up in its premium pre-workout Nitrosurge Max, packing plenty of reliably effective ingredients to provide more support in key areas and deliver a better performance in the gym. On exercise days, consume 30-60 minutes before resistance training. What you can expect from JACK3D Hard-Hitting Energy Mood elevation Clean Focus Great Flavors No side effects!Supplement Facts. Jack3d Pre-Workout – Watermelon – USP Labs. - Strength Gains. 99 $ 37. maybe they just wiped the year off, ya know. I've taken jack3d for a while. How To Take USP Lab’s Jack3D Pre Workout: The manufacturers recommend taking 1-3 scoops with 6-12 ounces of cold water and consuming one serving daily. Jacked Factory's Watermelon Nitrosurge Shred (30 servings) in a black bottle with red label. always take some break when using stims/pre workout supps. well known for the ‘focus matrix’ made possible by 1,3 Dimethylamylamine. Nitrosurge is a creatine-free pre-workout for men and women, formulated with evidence-based ingredients that boost nitric oxide (NO), energy, and strength for hours on end while Jacked Factory BCAA’s provides 6000mg of 2:1:1. Shop Huge Nutrition. Select options. Nitrosurge is a creatine-free pre-workout for men and women, formulated with evidence-based ingredients that boost nitric oxide (NO), energy, and strength for hours on end while Jacked Factory BCAA’s provides 6000mg of 2:1:1. 00. Loading up on a good pre-workout formula is always. Behold the legendary Jack3d pre-workout by USP Labs. ago. This particular constitute is a stimulant that provides energy and focus to the user. $39. I felt a crazy amount of energy, focus, and strength; but also an uncomfortable heavy breathing rate and higher pulse speed. Jack3d já esta sendo considerado um dos melhores pre-workout, proporcionando sensação de força. About this item . 72 Ounce (Pack of 1) 6,510. (Reuters) - USPlabs, which sold the best-selling workout supplement Jack3d, and six of its executives face criminal charges for the unlawful sale of nutritional supplements, the U. Jacked Juice Pre-Workout offers. A Vitamin B. A milligram scale is recommended for accurate measurements if you buy DMAA or DMHA powder. $34. Buy cheap Jack3d Pre Workout Booster with DMAA / HCL. Fueled by 6 g L-Citrulline, 3. Location: Chihuahua, Chihuahua, Mexico. Manufactured in a USA cGMP Facility - All Jacked Factory pre workout supplements are manufactured in a state-of-the-art cGMP facility. Unfortunately, it was taken off the market. 99 for 10 grams (Free Shipping) ELV Bio – $59. jacked" all the time I lift, usually from a flood of caffeine. € 54,90 € 39,90 incl. Some other like N. 2. Caffeine helps increase alertness and energy, beta-alanine may reduce muscle fatigue, creatine supports muscle power, and L-arginine is thought to improve blood flow and nutrient delivery to muscles. Servings Per Container: 15-45. AMAZING! Sure, you'll hear that from most companies, yet virtually all of the pre-workout drinks on the market are, at best, tolerable. 1,3-Dimethylamylamine HCl is safe in small doses. The strong combination of the L-Arginine, L Citrulline and Nitrosigine work synergistically to increase nitric oxide production, bring you strong muscular pumps and endurance, and delay fatigue in the gym. How To Take USP Lab’s Jack3D Pre Workout: The manufacturers recommend taking 1-3 scoops with 6-12 ounces of cold water and consuming one serving daily. This is one of the things that separates Jack3d from the rest, and makes Jack3d the best pre-workout drink out there. 📩 Automatically receive MPMD articles when they are published: (Gorilla. The remainder of the ingredients. As Jon Anthony from Masculine Development writes, the original Jack3d formula “was essentially legal meth”. 82 postageBuild-XT helps fuel lean muscle growth, strength increases, power output, and endurance in the gym with just two capsules per day pre workout. Is DMAA a steroid? 6. Gorilla Mode Pre-Workout Ingredients. 99 $ 24 . 98 This bundle contains 2 itemsPre Workout for Physique Improvements: Boost nitric oxide (NO) levels and blood-flow to the muscle to maximize pumps, endurance, strength, and fuel muscle growth. On exercise days, consume 30-60 minutes before resistance training. 1. Jack3d is a powerful pre-workout nitric oxide (NO) stimulant. Jacked Juice Pre-Workout. Ingredients Backed by Science. Jack3d Pre-Workout Ingredients. shatter - i liked this one. *Complement Information are based mostly on 3 scoop serving. 99 $ 42 . Citrulline increases ammonia recycling and nitric oxide metabolism in the body and increases plasma levels of ornithine and. Telling Tingle. PinelliPunk. Beginning with the 4th use, if needed, you may gradually increase serving by a half scoop (2. Product Details. $64. How many people are there taking high stims pre-workout (high caffeine with DMHA and/or DMAA, and any other stimulanys) 4-5 times week ?. jack3d is in no way similar to methamphetamine, other than that caffeine and meth are both classified as stimulants. Com Jack3d você não terá uma queda de energia durante um treino. It also contains Creatine Monohydrate that helps enhance muscle strength and power output, increase training adaptation, and increase the work capacity. 10. 99 ($2. Its concentrated formula provides a powerful boost for athletes seeking to maximize their. Increases Pre Workout Efficiency: Jacked Factory's nitric oxide booster push your exercise to a new level. Subscribe to HodgetwinsTV: Patriotic Apparel: Hodgetwins Live on tour: Pre-Workout Supplement for Athletes & Gym-Goers: We went the extra mile to create a science-backed, pre workout powder that helps improve body composition and athletic performance without the side effects of. em-dubya. Also known as: jacked 3d pre workout, jacked pre workout, jacked supplement, jack pre workout. 55g-16. Age: 47. take a break from it. See full list on masculinedevelopment. now you, you are exceeding the max. If you are someone that is caffeine sensitive, you may still take Jack3d. Insane Labz Posessed Pre Workout Powder, Strawberry Pina, 30 Servings. This pre workout supplement is VERY heavily promoted at GNC, and you can often find several shelves dedicated to the stuff. 05 / month. Reviews (0) Shipping & Delivery. When I first started using Nitro-x, I'd get an enormous amount of. -. Jacked 3D was amazing and was often compared to meth. After reading through the forums I am more than convinced that I should replace Jack3d. he's probably just joking, but there is absolutely no chemical similarities. Weight. Jacked Factory Nitrosurge Max Nootropic Pre Workout Powder - Premium Pre Workout w/Nootropic Ingredients for Intense Focus, Pumps, Smooth Energy, Endurance - 40 Servings, Cherry. Save 42%. This is actually a banned ingredient and what got the people behind USP Labs Jack3d pre-workout into trouble (more on that later). Serving Size: 1-3 Scoops. It has been linked to side-effects including high blood pressure, headaches. ACG3 has moved away from creatine monohydrate and incorporates a much better creatine. LEGENDARY JACK 3D PRE-WORKOUT. Fernando Reis, 105+kg 2010 American Open champion and 2011 National Collegiate champion has tested positive and will be ineligible for six months . They actual blood rush pumps are much bigger with ACG3. Dragon Fruit. The original jack3d formula was one of the most popular high stim pre workouts back in the day. Perfect for the people seeking serious gym results and not for the faint. For pre-workout, you need an "upper" that revs you up (things like caffeine, taurine, high calories, or methamphetamine, speed, steroids etc). Check each product page for other buying options. The strong combination of the L-Arginine, L Citrulline and Nitrosigine work synergistically to increase nitric oxide production, bring you strong muscular pumps and endurance, and delay fatigue in the gym. 4/6/23 Update: Limited Stock Available. Eria Jarensis: 300 mg. É ultra-concentrado, apenas necessita 250 ml de água por cada dose. PinelliPunk. Like Mesomorph, Jack3d previously featured DMAA. Injury Recovery And Prevention; Nutrition. 3 Best Pre-Workout For Men: (Nitraflex) 4 High Stim Pre-Workout: (Gorilla Mode) 5 Best Pre-Workout For A Pump: (Bucked Up) 6 Best Nootropic Pre-Workout (Beyond Raw Lit) 7 Best Pre-Workout For Strength (Zeus Juice) 7. Endurance. not good. I took 3 scoops of no xplode the first time, I got itchy. Discount codes: LIFTVAULT = 15% off My Supp Plug. About this item . But it’s back now and better than ever! With a new and improved formula you can expect the same. While the molecular weights and. However, companies often include it in pre-workout and post-workout supplements. 99. 98 out of 5 based on 66 customer ratings. † In other words its an intense training aid enhanced with DMHA and Geranium. nl verkrijgbaar voor een waanzinnige prijs. You may remember Jack3d from several years ago and its immense popularity in the supplement industry. DMAA pre workout is a pre workout supplement that includes the stimulant DMAA (1,3 Dimethylamylamine), an amphetamine derivative. Ultimate Pre-Workout Matrix – USP Labs Jack3d with DMHA Original Formula. We specialize in Fat Burners, Pre Workout Booster Supplements, Nutrition and Testosterone Boosters! Diet support weight loss products and fatburners for your body! Top Seller Fatburners – high quality weight loss products for fair prices. What was the original Jack3d formula?May 8, 2012 - PRLog-- Jacked 3d is one of the best nutritional supplements that is available in the health and fitness space and is considered to be a top rated pre workout muscle gaining supplement. Jump to page: Quick Navigation Supplements Top. The serving size of the mystery product looks as though it’ll be just shy of 20g at 19. Arginine AKG 4 Gram. How long does pre-workout last in your body? Tingling sensation and itchy feeling in your skin, Pre-workouts also lead to surge of muscle energy which you notice about 20 minutes after taking it. Nitrosurge Shred Pre-Workout Fat Burner. USP Labs 3D Pre-Workout : [PICK FLAVOR] 250g Ultimate Training Powder 45 Serv. JACK3D BY USP LABS (2019 EDITION) The undisputed heavyweight champion of pre-workouts is back and better than ever! Yes it wend through a rough patch, but like any good champion, picked itselt up and is back with a bang!! The ultimate pre workout only has one goal – to make you destroy your training sessions. Is jacked 3d Safe? 7. 11. Quais os Benefícios do uso. . . Food and Drug Administration, USP Labs, LLC has said to have destroyed all of its DMAA-containing products including, OxyElite Pro with DMAA and Jack3D. So will it help before workouts, or it is likecompletely useless?Jacked Factory Nitrosurge Max Nootropic Pre Workout Powder - Premium Pre Workout w/Nootropic Ingredients for Intense Focus, Pumps, Smooth Energy, Endurance - 40 Servings, Cherry Bomb 4. 99. Jacked Factory’s premium pre-workout Nitrosurge Max has arrived, as promised, right on the 21st of February, and it’s not that far of a leap in price from the regular Nitrosurge. jack3d is the best out of the 3 but 1. Strength. Store in a cool, dry place to prevent. If you have been taking pre workouts for years and need a pre workout to give you alot of energy then, the new Jack3d is for you. 5 Ounce (Pack of 1) 6,525. Jack3d linked to irregular heart beats, seizures, heat stroke, and death. 99 out of 5 based on 129 customer ratings. Jack3d is said to boost energy, concentration and metabolism. 45 Ultra Concentrated Scoops. Jack3d is one of the more popular and controversial pre-workout supplements on the market today. Product description.