Ingredient Spotlights

Mineral forms such as amino acid chelates and malates. In FitNutrients+, FitNeuro, FitWell, FitBoost+, FitPlant+ and FitFast.

Protease enzymes, listed on the labels as fungal proteases. In FitWhey+ and FitPlant+.

Choline-stabilized orthosilicic acid, a form of silicon. FitRenew has 5 mg of silicon per capsule.

The precursor of sulforaphane. FitNutrients+ has 5.2 mg per 4-capsule serving, from a Brassica oleracea seed extract.

The probiotic strain Bifidobacterium animalis subsp. lactis B420. FitProbio+ has 10 billion CFU per acid-resistant DRcaps™ capsule.

A polyphenol blend from two brown seaweeds, Ascophyllum nodosum and Fucus vesiculosus. FitFast has 250 mg per capsule, alongside 500 mg berberine HCl.

Chitin-glucan, a fiber from the fungus Aspergillus niger. FitPlant+ has 2.25 g per serving.

Magnesium L-threonate is magnesium bound to threonic acid. FitNeuro has 1 g per 3-capsule serving.

L-ergothioneine produced by a fermentation-based method. FitProtect has 12.5 mg per capsule.

Calcium HMB monohydrate. HMB is a natural metabolite of the amino acid leucine. FitRestore has 3 g per 6-capsule serving.

Adenosine 5'-triphosphate disodium, a supplement form of ATP. FitBoost+ has 400 mg per scoop.

Shilajit standardized for fulvic acids and dibenzo-alpha-pyrones. FitNutrients+ has 100 mg per 4-capsule serving.

(6S)-5-methyltetrahydrofolate glucosamine salt, a form of folate. In FitNutrients+, FitWell, FitPlant+ and FitBoost+.

L-theanine, an amino acid found in tea. FitWell has 100 mg per 2-capsule serving.

Theacrine, a purine alkaloid similar in structure to caffeine. FitNutrients+ has 100 mg per 4-capsule serving.