Best Form of Every Supplement

Ranked by absorption, bioavailability research, and formulary tier

Amino Acid

Best form of Acetyl L-Carnitine (as Acetyl L-Carnitine HCL)1 form ranked

Best form of ALCAR1 form ranked

Best form of ALCAR Arginate1 form ranked

Best form of ALCAR HCl (alt)1 form ranked

Amino Acid Derivative

Best form of Agmatine Hydrochloride (Alt Form)1 form ranked

Best form of Agmatine Sulfate1 form ranked

Botanical

Best form of Alfalfa Leaf Extract1 form ranked

Best form of Alfalfa Leaf Powder1 form ranked

Detoxification

Best form of Activated Charcoal2 forms ranked

Fatty Acid

Best form of Algal DHA1 form ranked

Best form of Algal DHA (Non-esterified)1 form ranked

fatty_acid

Best form of Algal Oil1 form ranked

Greens

Best form of AFA Blue-Green Algae Extract1 form ranked

herb

Best form of ALA (Alpha-Linolenic Acid)1 form ranked

Best form of ALA (Alpha-Linolenic Acid) Flax Oil1 form ranked

Mushroom

Best form of Agaricus Blazei 30%1 form ranked

Best form of Agaricus Blazei Extract (alt)1 form ranked

other

Best form of AC-111 form ranked

Best form of AC-11 Cat's Claw Extract1 form ranked

Best form of Acai1 form ranked

Best form of Acai Berry Fruit Extract (4:1 Concentrate)1 form ranked

Best form of Acai Fruit Extract1 form ranked

Best form of Acai Fruit Extract (4:1 Concentrate)1 form ranked

Best form of ACTH1 form ranked

Best form of Adrenal Gland(Argentina)1 form ranked

Best form of Adzuki Bean1 form ranked

Best form of Aged Garlic Extract1 form ranked

Best form of Akkermansia muciniphila1 form ranked

Best form of Alfalfa Sprout Powder (RAW)1 form ranked

Best form of Alfalfa, Powder, Raw1 form ranked

Best form of Alpha Lipoic Acid2 forms ranked

probiotic

Best form of Akkermansia Mucinphila1 form ranked

Specialty

Best form of 1,3 Beta Glucan 85% (BGF-Immune®)1 form ranked

Best form of 5-HTP1 form ranked

Best form of Acacia Fiber1 form ranked

Best form of Agaricus Extract1 form ranked

Best form of Aloe Vera Gel1 form ranked

Best form of Alpha Ketoglutaric Acid (AKG)1 form ranked

Sports

Best form of AAKG Extended-Release1 form ranked

Best form of Agmatine Nitrate1 form ranked

supplement

Best form of 20-hydroxyecdysone1 form ranked

Best form of Adrenal Concentrate1 form ranked

Best form of Algae Powder1 form ranked

Best form of Aloe Ferox Extract 18%1 form ranked

Best form of Alpha GPC 50%1 form ranked

Best form of Alpha Ketoglutaric Acid1 form ranked

vitamin

Best form of Acerola1 form ranked

Vitamin

Best form of Adenosylcobalamin (Vitamin B-12)1 form ranked

Other

Best form of 20 hydroxyecdysone1 form ranked

Best form of 5 hydroxytryptophan1 form ranked

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Build a personalized supplement formula using the research-backed forms from our ingredient library.