Over the years, people have found Tarsul while searching for help with all kinds of everyday health concerns, from slow digestion to swollen ankles. We have written a plain, sourced guide for each of the 16 topics our readers ask about most. This page is the map.
Before you start
- Tarsul is a dietary supplement, not a medicine. It is not intended to diagnose, treat, cure, or prevent any disease.
- Each guide starts with the steps that have the strongest evidence, like diet, movement, and medical care, and explains when to see a doctor.
- Where Tarsul is mentioned, we explain what its two ingredients are and are not, and we link to the research.
Digestion and Gut Comfort
- Supplements for Constipation: What the evidence supports for staying regular, starting with fiber, water, and movement, and where cream of tartar fits as a source of potassium.
- What Helps IBS: Diet changes, soluble fiber, peppermint oil, and stress tools that help many people with irritable bowel syndrome, plus when to see a doctor.
- What Helps Heartburn: Fast relief options and the everyday habits that make heartburn less frequent, with clear signs that mean you should get checked.
- Leaky Gut Symptoms: What “leaky gut” means in research, what it does not mean, and the diet and lifestyle steps that support a healthy gut.
- Candida Diet: What the candida diet is, what studies actually show, and the medical care that matters when a yeast infection keeps coming back.
- What Helps Hemorrhoids: Home relief, fiber and bathroom habits, and when hemorrhoid symptoms need a doctor’s visit.
Skin
- Skin Clearing Supplements: Which supplements have real evidence for acne, which are mostly hype, and the skin care basics that matter most.
- Natural Remedies for Psoriasis: Natural approaches people try alongside medical care, what the research says about each, and what to avoid.
- Recurring Boils: Why boils come back, the hygiene steps that help, and when a boil needs medical treatment.
- Natural Mosquito Repellent for Skin: Which natural repellents hold up in testing, which do not, and the history of dusting with sulfur outdoors.
Joints, Fluid Balance, and Everyday Health
- Supplements for Arthritis: What the research supports for joint comfort, including MSM, and what it does not, alongside exercise and medical care.
- How to Reduce Swelling in Legs and Feet: Simple steps for leg swelling, the role of salt and potassium in fluid balance, and warning signs that need prompt attention.
- How to Lower Blood Pressure Naturally: Diet, movement, and other steps with strong evidence, the role of potassium, and why your doctor should guide any changes.
- Mineral Deficiency Symptoms: Common signs of low minerals, what causes them, and why a blood test is the way to know for sure.
- How to Prevent UTI: Steps with good evidence for preventing repeat urinary tract infections, and when symptoms need a doctor the same day.
Healthy Habits
- How to Quit Smoking: A step-by-step quit plan built on proven tools, including free support lines and medicines your doctor can prescribe.
What Tarsul Is, in Plain Terms
Tarsul contains two ingredients and no proprietary blend. Cream of tartar (potassium bitartrate) forms as crystals during winemaking and is purified into a fine white powder (University of Illinois Extension). By weight it is roughly a fifth potassium, a mineral most adults do not get enough of from food (NIH Office of Dietary Supplements). MSM is a sulfur compound found in small amounts in many foods and is generally described as well tolerated (Butawan et al., Nutrients, 2017).
People sometimes ask how one supplement could relate to so many different topics. The honest answer is that it does not work on each of them separately. Potassium and sulfur are basic parts of how the body runs every day, and people with very different concerns have chosen to add them to their routine. That is a reason to read the guide for your topic carefully, not a promise of a result.
A Note on Safety
Because cream of tartar is a concentrated source of potassium, the amount matters. Very large amounts taken at once have caused dangerously high potassium levels in published case reports (Medical Journal of Australia, 2025). Talk with your doctor before you start if you have kidney problems, take an ACE inhibitor, an ARB, or a potassium-sparing diuretic, or are pregnant or nursing. The suggested use is on our dosage and ingredients page, and the label on your bottle always comes first.
If you would like to learn about the company behind this site, read about Tarsul. When you are ready, you can see Tarsul capsules and powder, backed by a 30-day money-back guarantee.
Have a Question? Ask Us
Search our guides, or send us a note. A real person at Tarsul reads every message.
Frequently Asked Questions
Does Tarsul treat any of these conditions?
No. Tarsul is a dietary supplement. It is not intended to diagnose, treat, cure, or prevent any disease. Each guide explains the steps with the strongest evidence first, and tells you when to see a doctor.
Why does a supplement company write about these topics?
Because people searching for help deserve clear, sourced information, and many of our customers first found us while reading about one of these topics. We would rather point you to what works, even when that is not our product.
Where does Tarsul fit, then?
Tarsul is two ingredients: cream of tartar, a natural source of potassium, and MSM, a sulfur compound found in many foods. Some people take it as part of a daily routine. It belongs alongside a good diet and your doctor’s advice, never in place of them.
Is Tarsul safe for everyone?
No supplement is. Because cream of tartar supplies potassium, talk with your doctor first if you have kidney problems, take an ACE inhibitor, an ARB, or a potassium-sparing diuretic, or are pregnant or nursing. Never take more than the label suggests.
Sources
University of Illinois Extension. Cream of tartar: From winery byproduct to baking essential.
NIH Office of Dietary Supplements. Potassium: Fact Sheet for Health Professionals.
Butawan M, Benjamin RL, Bloomer RJ. Methylsulfonylmethane: Applications and Safety of a Novel Dietary Supplement. Nutrients. 2017;9(3):290.
Ng DYL, et al. Hyperkalaemic cardiac arrest due to cream of tartar ingestion. Medical Journal of Australia. 2025;222(11).
About this page — last reviewed October 2026
Written by Russ Guillemot, founder of Tarsul. Tarsul is a family-run dietary supplement company in San Diego, California, selling since 2010. We are not physicians, and nothing on this page is a diagnosis or a treatment plan. Where we cite research, we link to it so you can read it yourself.
Tarsul · 2307 Fenton Parkway #107-42, San Diego, CA 92108 · 619-500-4403 · info@tarsul.com
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.