Dee Cee Labs Formula 303 Maximum Strength All-Natural Relaxant Tablets, 250 Tablets; All-Natural Relaxant containing Magnesium for Sore Muscles, Passion Flower, and Valerian Root | ⭐ Flexiology.Store Recommended
$50.99
🌿 Expert Tip: Handpicked for natural health, wellness & beauty.
Price: $50.99
(as of Oct 04, 2025 15:03:20 UTC – Details)
Product description
Formula 303 is a natural herbal tablet that has been providing natural relief for over 60+ years. It harnesses the medicinal properties of valerian root, passionflower, and magnesium to provide you with relaxed muscles, stress relief, and natural relief. Other valerian root herbal supplements only contain one or two of these important ingredients, Formula 303 has a unique blend that allows for the maximum levels to provide you with a safe, non-habit forming natural ingredients that are perfect for long term use. Dee Cee Laboratories has been providing quality vitamins and Supplements since 1962. Founded on the principles of providing the highest quality products to health care providers, made in the USA, and guaranteeing identity, purity, strength, and composition in all its products. Formula 303 is made from natural ingredients and may have a distinctive earthy odor, taste, and color of tablets may vary.
Is Discontinued By Manufacturer : No
Product Dimensions : 4 x 3 x 4 inches; 0.64 ounces
Date First Available : July 1, 2013
Manufacturer : Dee Cee Labs
ASIN : B0016KX9SI
Best Sellers Rank: #7,688 in Health & Household (See Top 100 in Health & Household) #14 in Pain Relief Homeopathic Remedies
Customer Reviews: 4.7 4.7 out of 5 stars 8,998 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Dee Cee Laboratories Formula 303 Natural Relaxant, natural relief for muscle spasm, tension, and stress.
Formula 303 is an all-natural herbal remedy that harnesses the medicinal properties of valerian root, passion flower, and magnesium to provide you with relaxed muscles, stress relief, and natural relief from muscle relief, joint relief, leg cramp relief, and stress relief.
A perfectly formulated balance of Valerian Root, Passion Flower, and Magnesium for sore muscle relief and much more.
Formula 303 is made from natural ingredients and may have a distinctive earthy odor, taste, and color of tablets may vary.
Gluten Free, Non-GMO manufactured for almost 60 years in the USA, in an FDA registered and inspected facility in full compliance with current Good Manufacturing Processes.
Customers say
Customers find this supplement effective for muscle spasms and pain relief, particularly for tightness in neck and body, and appreciate that it works better than pharmaceutical muscle relaxers. The supplement helps with sleeplessness, creates restful sleep, and serves as a good natural stress reliever, with customers noting no side effects and no morning grogginess. They consider it well worth the price, especially in large size packages, and one customer mentions it’s a good low-cost alternative for mild pain. The product receives mixed feedback about its smell, with several customers describing it as horrid.
🌿 Expert Tip: Selected by our Flexiology Experts for quality & value.
⚠️ Disclaimer: Information is for educational purposes and not a substitute for medical advice. Consult your physician before use. Flexiology.Store is not responsible for any adverse effects.
8 reviews for Dee Cee Labs Formula 303 Maximum Strength All-Natural Relaxant Tablets, 250 Tablets; All-Natural Relaxant containing Magnesium for Sore Muscles, Passion Flower, and Valerian Root
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Ann C Deatherage –
They work
My chiropractors office recommended this product for me, I find them very helpful in relaxing tight muscle’s, less pain and better sleep.
Becky D. –
Love Formula 303
I have SI joint problems. I mainly use Formula 303 to prevent tightening of muscles. I take it as soon as I notice muscle tension. It helps relax my muscles so I don’t progress to my SI joints shifting. The biggest reason I know it works, is that I feel a muscle release in my calf muscle, even when I don’t even realize I had tightness there. My mood is also boosted when I take these, which is probably due to the GABA boost (from the Passionflower ingredient) helping my anxiety. I am in my 2nd bottle and so far notice no adverse side effects.
Richard A. –
Formula 303 300
0 stars for the online instructions. Worked well for my injured back after I took half a bottle following the instructions online (take 2 wait 2 hours take 1 or 2 more wait etc). It was difficult to reach a therapeutic level to achieve any relief. After that. I just started with 5 and found it to be an excellent starting point. It helps immensely with my whole body spasms and sleep. I have found that 7 or 8 Works well for sleep so that I’m not constantly waking with cramps. Just for a reference, my weight is approximately 150 pounds. That doesn’t necessarily mean that a 300 pound person will need 14 to 16. I would still recommend starting with 4 or 5 from what I have discovered over the last 2 years. Even my 260 pound fishing partner only needed 4, but he doesn’t have the nerve damage that I have, hence, I have needed a slightly higher dose. Good luck, and be cautious, other medicines and supplements can interact with this supplement, hence the name nature’s Valium. I hope this helps.
R. Mani –
Relax Facial Muscles to Prevent Migraines and Sinus Headaches
I have atypical migraines meaning I primarily have pain in my face (eyes, ears, jaw, sore throat, forehead, sensitivity to light). I am triggered by rain, snow, cold and general atmospheric changes so I’ve been looking for something for prevention when I see several days of rain the in forecast. I am finding that 8 tablets a day (2 at each meal and 2 at bedtime) generally keeps the migraines at bay or at least down to a minimum so that I don’t have to take my prescription medication. This is a way to reduce the need for prescription medication while simply relaxing the muscles in my face. I have taken Formula 303 for many years now and it’s one thing I am careful never to run out of!
Ashlea Davis –
Wonderful product
I love this product!! I have been using it for about 2 years now. It helps me so much with my muscle cramps.
House –
Must take a few times a day to work. Stinks to high heaven
I was taking this in the morning only and not getting any relief. I started taking a few in the morning, lunch time and afternoon (you know, like the instructions say to do) and I received some relief. My muscles stopped aching and the soreness went away. I haven’t had any side effects like I did with muscle relaxers. Not sure if these really work or if it’s a mind game but, I don’t care either, as long as I get the sensation of stress and soreness relief. Words cannot prepare you for how bad these pills stink. After you wake up from being knocked unconscious from the smell the first time you open the bottle (kidding), you will not get used to the smell no matter what anyone says. But again, the product appears to work so I deal with the smell.
A. Ellis –
Excellent for an alternative to drugs
This is gold. Helps to relax muscles and body without drugging. Also great for anxiety! It just does the job really without you knowing it, gently. Good for sleep too, yet doesn’t make you sleepy.
Sound Speeds –
So relaxed, I can sleep thru my alarms
I work in the film industry as a boom operator. In a nutshell, I spend a great deal of my 12+ hour long days with my arms over my head.A few years ago I was booming a scene where the Director kept making us do the scene over and over again without cutting. I had the boom extended out nearly 25 feet with one of the heaviest microphones inside of the full wind protection rig at the end of the pole for many, many minutes. It was during this scene that my shoulder started hurting terribly. For years I’ve felt pain daily and ibuprofin only helps a bit. I’ve tried muscle simulators (Tens machine) and various kinds of professional massage techniques from many professionals and they help but are expensive.I make excellent money but feel it getting worse over time and know my time in this career will be short if I don’t do anything. I have a comfortable bed but it’s not comforting enough to relax me into full REM rest at night. Desperate I turned to Amazon and ran a search for muscle relaxing pills then sorted for those with highest consumer rating which brought me to this product.When my call times put my morning commute right in the middle of rush hour, I leave my house early and sleep inside my car in crew parking. That means that I still get up at 5AM to drive in then sleep in my car a few hours. Don’t judge, it works for me the way I do it.The pills arrived around two weeks ago and it says the dosage is two pills. I eagerly took two about 5 hours before I had my alarm set. I laid down and was out a few minutes later. The next thing that happened was I was dopey and looking at the window with sunlight behind it. I flung awake and noticed that I had overslept by 2 hours. I left the house minutes later and endured a 95 minute commute instead of the 25 minute commute it would have been if I left at 5:20AM as planned. I checked all my alarms before leaving and all 4 had been set. I just turned them off in my sleep.That night I made a point to set each of my 4 alarms again then took my two pills. Guess what? I overslept by 2 hrs 15 mins and had to endure a morning commute 4X longer than normal again. Yet again, I turned off my alarms in my sleep. That was a Friday so that night I went to sleep again after taking two more pills. Awesome!These pills work quite well for me. I’ve since learned that 1 is all I should take on a work night but 2 works great any other night. I’m nicely relaxed when I wake up and my muscles aren’t sore for the first few hours in the day. Side note, as I go to sleep at night, I coat my shoulder with a heavy amount of Biofreeze. The combo fully relaxes and helps reset my shoulder. Before I started taking these pills, it soothed the muscle but didn’t relax.I’m very pleased with these pills and plan to continue to use them.