Mineral Deficiency and Nutrition Information
This page provides general educational information. It is not medical advice, and it does not provide a diagnosis or a personal course of care.

Minerals like magnesium, potassium, zinc, and sulfur are involved in hundreds of processes in the body — muscle function, nerve signaling, enzyme activity, and cellular energy production among them — and modern diets, soil depletion, certain medications, and digestive conditions can all contribute to intake falling short of what the body needs. Deficiency can be subtle at first, showing up as fatigue, muscle cramping, or general low energy, which makes it easy to miss or misattribute to something else entirely.
When professional advice matters
See a doctor before assuming a deficiency and starting supplementation on your own, especially at higher doses. Bloodwork can confirm or rule out specific deficiencies, and some symptoms that look like a mineral shortfall have other, unrelated causes that testing can catch.
Everyday wellness questions
Current medications (some deplete specific minerals over time), diet patterns, and symptoms like fatigue, cramping, or irregular heartbeat are all relevant to bring up. A basic panel is often a faster path to an answer than trying to guess based on symptoms alone.

Explore nutrition and mineral topics
Here’s what we’ve written on mineral deficiency and related nutrition topics:
- What to look for in a natural mineral supplement
- Targeted support for confirmed mineral deficiencies specifically
- Why modern diets often fall short on minerals that used to be more abundant in food
- Trace minerals specifically, and why they’re easy to overlook
- Chronic fatigue and low energy as a possible sign of mineral shortfall
- Magnesium specifically, one of the most commonly discussed deficiencies
- Minerals and immune function, and how the two connect
- Certain medications and their effect on mineral levels over time
- Magnesium and sulfur together, and how they’re often discussed as complementary
- A closer look at evaluating full-spectrum mineral supplements
About Tarsul
Tarsul is a dietary supplement containing cream of tartar and MSM sulfur. It is not a substitute for individualized medical care or prescribed medicine. Follow the current product label for ingredients, directions, and warnings.
Common questions
Yes — mild or early-stage deficiencies often don’t produce clear symptoms, which is part of why routine bloodwork can catch things that would otherwise go unnoticed for a while.
Some do — certain diuretics, acid reducers, and other common medications are known to lower levels of specific minerals over long-term use, which is worth discussing with a prescribing doctor if you’re on one of them long-term.

Yes, some minerals have a real risk of overdose or interaction at high doses, which is exactly why testing before supplementing, and following label directions, matters more than assuming “more is better.”
For general product questions, contact Tarsul. For product directions and safety information, review the Tarsul Product Directions and Safety Information page, or see current product options.
Tarsul contains just two things. Cream of tartar is a concentrated potassium source — how much potassium, and who should check with a doctor first, is covered there. MSM sulfur covers what the human research does and does not show, plus dosage and side effects.
About this page — last reviewed September 2026
Published by Tarsul, a family-run dietary supplement company operating from San Diego, California since 2010. Written and reviewed in-house by Russ Guillemot, founder, drawing on fifteen years of direct correspondence with customers and wholesale accounts. We are not physicians and nothing here is a diagnosis or a course of treatment.
Where we reference published research we name the authors and the journal so you can look it up yourself. Where something is a common observation rather than a finding, we say so plainly. If a claim cannot be sourced, we leave it out.
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.