UPDATED 05/14/2016

Formula 303 Review
Formula 303 Review

PUBLISHED: 01/28/2014 by BR Publishing
Editor's Review: 3.1/5.0
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Formula 303

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Formula 303 is a homeopathic formula promoted as a natural relief against muscle spasm, tension and stress associated with various affections. The company behind this formula is Dee Cee Laboratories. The manufacturer claims to provide in-house supplements free of artificial additives or preservatives. This company offers a 30-day money-back guarantee for all the products they market, as part of a 100% satisfaction guarantee insurance. All their formulations are advertised as manufactured and packed in FDA inspected facilities and following the current GMP practices.

This particular supplement is advertised as a relaxant, effective in relieving the negative effects of various conditions like leg cramps, fibromyalgia, PMS, back sprains and strains, restless leg syndrome, neck and shoulder pain, mild insomnia, nervousness, or pulled muscles. This supplement is recommended only for the use of adults and children over 12 years of age, without exceeding the instructed dose (indicated by the manufacturer or recommended by a specialized physician).

Formula 303 is marketed as a gluten free formula based on a blend of three nutrients (two herbal extracts and a form of the mineral Magnesium). These nutrients have been demonstrated both scientifically and empirically to promote relaxing benefits in humans. However, this is a homeopathic formulation, so the doses of active ingredients are highly diluted. An increased percentage of medical specialists claim that homeopathic medicine is comparable to placebo drugs in terms of real health benefits.

Formula 303 Ingredients

Formula 303 contains the following ingredients: 6 parts Valerian Root (Quad-Strength) 1X, 3 parts Passiflora (Quad-Strength) 1X, and 1 part Magnesium Carbonate 1X.

Product Features

Formula 303 is an herbal and mineral-based mixture.

One of the active substances is the extract of the Valerian plant, obtained from the plant’s root. The plant has been traditionally used to treat insomnia, and common disorders caused by stress factors like anxiety, nervous asthma, hysterical states, excitability, or mental disorders such as hypochondria and ADHD. The compound is usually mixed with other herbal extracts to increase the potency of formulations. The main common side effect caused by the active substances from Valerian is drowsiness. Other common unwanted reactions that usually occur when large doses have been ingested include: headache, excitability, nausea, restlessness, and uneasiness. Long-term use is not evaluated in terms of safety. The use of Valerian in combination with other medication that acts on the CNS is potentially dangerous and should be avoided.

Passiflora is the other herbal ingredient from Dee Cee Labs Formula 303. It is also used as a natural sedative. This natural remedy is believed to have beneficial effects in alleviating the symptoms of sleeping disorders, depression, stress, spasms, and palpitation. The extract is administered on a large scale duet to its non-addictive properties (unlike common sedative medication which has as main side effect addiction). However, in many of the health claims, the use of Passiflora has failed to show conclusive clinical evidence. Researchers are being reserved about the plant’s actual benefits.

Magnesium carbonate is a common ingredient in dietary supplements. It is one of the many forms used within this type of medication. Magnesium is a naturally occurring mineral responsible for several essential functions in the human body, including in regulating hormone levels, and in the relaxation and contraction of muscles. Magnesium supplements have been prescribed to treat muscle contractions, soreness and cramping, and sleeping problems.

Formula 303 side effects are not indicated by the manufacturer. Special warnings are issued against its use by pregnant and breastfeeding women. Consumers have issues positive statements about the formula’s effectiveness in most of the advertised health claims.
The suggested dose varies depending on the ailment. Complete directions can be found on the official page of the product.

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  • The supplement is based on clinically studied ingredients
  • The product is a popular homeopathic remedy among consumers of such products
  • The formula comes with a 30-day money-back guarantee (available for all the product offered by this manufacturer)
  • Formula 303 reviews are numerous and generally report positive results


  • The product is not clinically researched as such
  • The drug interactions and side effects associated with this formula are not mentioned by the manufacturer
  • A month’s supply is rather expensive, compared to products with similar benefits


Formula 303 is part of a special class of nutritional formulations, that of the homeopathic remedies. The doctrine on which these supplements are created is that of “like cures like,” meaning that they contain highly diluted amounts of compounds that if used otherwise could cause severe side effects (sometimes potentially lethal). The main deficit of these products is that due to the dilution process, their effectiveness is also considerably diminished, up to the point where they become completely ineffective. Many researchers put the claimed and reported benefits of these formulations on the placebo effect.

Formula 303 is highly appreciated among consumers. However, the ingredients are not FDA approved to treat, cure, or diagnose any disease. Special precautions should be taken by people who operate heavy machinery or drive (Valerian’s most common side effect is drowsiness). The best approach when considering to use a dietary supplement is to first consult a healthcare practitioner who can fully inform you about the associated risks.

Other Problems,Review Box – Show On PageFormula 303 Review
Formula 303 ReviewBR Publishing32016-05-14 12:09:31
Formula 303 Review
4.29 out of 5 based on 35 user ratings
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11 User Reviews about Formula 303
  1. 1

    I felt absolutely nothing from this product. I used it for several days, the only pain relief is when I popped a couple of Advil with it.

  2. 3

    My chiropractor keeps telling me that I need to take it but I absolutely can’t get past the smell, any suggestions please let me know

  3. 6

    This product has been my “go to” instead of turning to Ibeprophren for TMJ flair ups, occasional life induced anxiety to help me have a good night’s sleep, and relief from muscle aches when I overexercise. I’m a “light weight”, so benefit from one pill before bed or one after meals for a rough day. I rarely have needed to take consecutively for more than 3 days at a time since it gets me back on track (until the next flair up).

  4. 7

    I just tried it today for the first time. Within twenty minutes I felt results. I was much more relaxed and the pain in my arthritic foot became less. I had just had a long day of walking on my foot and it was on a pain scale of seven to eight. It’s been a hour and a half after my first dose and my pain level, swelling is down to 3-4 . I believe it is working!

  5. 8

    This product works for me. Going through an anxious period and also dealing with insominia. Started the product two nights and immediately takes the edge off and has allowed me two straight nights of good sleep as well.

  6. 9

    I love this product! I was given it by my chiropractor after a back injury. I now use it on occasion after a stressful day or long day on my computer, (1/2 a tablet after dinner) for a perfect nights sleep, It is strong, so if you take at bedtime and do not have 8 hours to sleep, you may wake up groggy or grumpy, that’s why I take it after dinner :)

  7. 11

    I’m a fitness instructor and though I’m familiar with all the rules about exercising, I sometimes tend to overdo it, especially if I have several private classes in a day. Formula 303 helps relieve my muscle and joint pains and I actually noticed I also sleep better after I take it.