Most nutritional supplements contain excipients that contribute functional or structural properties, such as fillers, binders, and lubricants. At Thorne, we minimize the use of these “Other Ingredients” and we refuse to include unnecessary excipients that can interfere with dissolution, or absorption, or otherwise detract from the optimal use of the product. Every ingredient in a Thorne product, including the “Other Ingredients,” are sourced from the purest sources possible. Thorne believes in total label transparency. That means there are no hidden inactive ingredients. Every ingredient in a Thorne product, whether active or inactive, is listed on the product label.

Every individual is unique and every ingredient has a different "mechanism of action" for how it works in the body. Some ingredients can provide a relatively fast result, such as with PharmaGABA for managing stress or melatonin for promoting sleep. Other ingredients, such as those in Thorne’s multi-vitamin/mineral products, are for preventative health and general well-being, so an immediate response would not be expected. However, for many Thorne products, if you experience an overall sense of well-being, such as improved mood, and that is the specific indication of use for which you are taking the product, then you are realizing the intended benefit.

Thorne is regulated by the U.S. Food and Drug Administration. Thorne must comply with the FDA's regulations for manufacturing and labeling our dietary supplement products. In addition, all of our product literature and our website content must comply with FDA regulations. The FDA also requires Thorne to label the presence of allergens and to respond properly to reported adverse events.

• Fertility: Estradiol, Progesterone, the ratio of Estradiol to Progesterone, Total Testosterone, Sex Hormone Binding Globulin (SHBG), Luteinizing Hormone (LH), Follicle-Stimulating Hormone (FSH), Cortisol x 4, Thyroid-Stimulating Hormone (TSH), Free T3, Free T4, Thyroid Peroxidase Antibodies (TPOAb), and Dehydroepiandrosterone (DHEA)
• Menopause: Estradiol, Progesterone, Testosterone (free), Dehydroepiandrosterone (DHEA), and Cortisol
• Sleep: Cortisol x 4 and Melatonin x 4
• Stress: Cortisol x 4 and Dehydroepiandrosterone (DHEA)
• Thyroid: Thyroid Stimulating Hormone (TSH), Thyroid Peroxidase Antibodies (TPOAb), Free T3, and Free T4
• Vitamin D: Total Vitamin D, which includes two common forms of vitamin D ‐ D2 (25OH-D2) and D3 (25OH-D3)
• Weight Management: Estradiol, Progesterone, Testosterone, Dehydroepiandrosterone (DHEA), Cortisol, Thyroid-Stimulating Hormone (TSH), Insulin, Hemoglobin A1c (HbA1c), and Vitamin D
• Gut Health: Intestinal Permeability Score, Gut Dysbiosis (including Good and Bad Bacteria and Probiotics), Digestion, Inflammation, Nervous System Imbalance, Beta-Diversity, Miconutrients (such as Niacin and B6), Short-Chain Fatty Acids, Immune Readiness, and Pathogens
• Biological Age: Biological Age, Age Rate, Blood Age, Lipid Age, Liver Age, Kidney Age, and Metabolic Age

If your order is placed before 12:00 p.m. Eastern time, Monday through Friday, then we will do our very best to ship your order that same business day. Your order should arrive within 5 business days once shipped, barring any unforeseen issues. Overnight and expedited orders are also shipped and delivered Monday through Friday (no weekend service). Please call Customer Service if you have an urgent order. International orders can expect up to 4-6 weeks for delivery, barring any clearance/customs issues. Sometimes unforeseen circumstances arise that can delay a shipment’s arrival.