D-tartaric acid is generally considered safe for consumption. Regulatory agencies, including the U.S. Food and Drug Administration, have classified it as a "generally recognized as safe" substance. In Europe, it is approved as a food additive. After ingestion, most D-tartaric acid is metabolized by gastrointestinal bacteria, with approximately 15-20% excreted unchanged in the urine. Excessive intake may lead to mild side effects such as increased thirst, vomiting, diarrhea, abdominal pain, and gastrointestinal inflammation. Direct contact may cause skin or eye irritation, and inhalation of airborne particles may irritate the respiratory tract.

Although D-tartaric acid can cause muscle toxicity at extremely high doses, this is very rare and usually requires the ingestion of exceptionally large quantities. For sensitive individuals, including newborns, children, and pregnant women, it is recommended to consult a healthcare professional before taking large amounts or using it for extended periods.

Reducing the potential risks associated with handling DL-tartaric acid is crucial to ensure your safety and prevent potential accidents. Here are some suggestions for minimizing the risks of handling DL-tartaric acid:Understand the chemical: 

Thoroughly understand the properties, hazards, and appropriate handling procedures of DL-tartaric acid. Consult the product's Safety Data Sheet (SDS) for detailed information.

Wear personal protective equipment: Ensure you wear appropriate personal protective equipment, including safety goggles, chemical-resistant gloves, a lab coat or protective clothing, and respiratory protection equipment if needed.