Compare supplement forms
Magnesium glycinate or oxide? Methylcobalamin or cyanocobalamin? Each comparison puts two forms side by side: cited quality tier, how much of the nutrient each actually delivers by weight, how common it is on US labels, and the doses brands declare.
Alpha-Lipoic Acid
- R-Lipoic acid (R-ALA, natural enantiomer, free acid) vs. Racemic alpha-lipoic acid (R,S / DL / thioctic acid)
- R-Lipoic acid (R-ALA, natural enantiomer, free acid) vs. Sodium R-lipoate (Na-R-ALA, stabilized R-lipoic acid)
- Racemic alpha-lipoic acid (R,S / DL / thioctic acid) vs. Sodium R-lipoate (Na-R-ALA, stabilized R-lipoic acid)
Ashwagandha (Withania somnifera)
Boron
- Boron Citrate vs. Boron Amino Acid Chelate
- Boron Citrate vs. Boron Glycinate
- Boron Citrate vs. Sodium Borate
- Boron Citrate vs. Calcium Fructoborate
- Boron Amino Acid Chelate vs. Boron Glycinate
- Boron Amino Acid Chelate vs. Sodium Borate
- Boron Amino Acid Chelate vs. Calcium Fructoborate
- Boron Glycinate vs. Sodium Borate
- Boron Glycinate vs. Calcium Fructoborate
- Sodium Borate vs. Calcium Fructoborate
Calcium
Chlorella
Choline
Chondroitin Sulfate
Chromium
- Chromium Picolinate vs. Chromium Polynicotinate
- Chromium Picolinate vs. Chromium Chloride
- Chromium Picolinate vs. Chromium Nicotinate Glycinate Chelate
- Chromium Picolinate vs. Chromium Amino Acid Chelate
- Chromium Polynicotinate vs. Chromium Chloride
- Chromium Polynicotinate vs. Chromium Nicotinate Glycinate Chelate
- Chromium Polynicotinate vs. Chromium Amino Acid Chelate
- Chromium Chloride vs. Chromium Nicotinate Glycinate Chelate
- Chromium Chloride vs. Chromium Amino Acid Chelate
- Chromium Nicotinate Glycinate Chelate vs. Chromium Amino Acid Chelate
Copper
- Copper Gluconate vs. Copper Amino Acid Chelate
- Copper Gluconate vs. Cupric Oxide
- Copper Gluconate vs. Copper Citrate
- Copper Gluconate vs. Copper Sulfate
- Copper Amino Acid Chelate vs. Cupric Oxide
- Copper Amino Acid Chelate vs. Copper Citrate
- Copper Amino Acid Chelate vs. Copper Sulfate
- Cupric Oxide vs. Copper Citrate
- Cupric Oxide vs. Copper Sulfate
- Copper Citrate vs. Copper Sulfate
Cranberry (Vaccinium macrocarpon)
Creatine
Folate (Vitamin B9)
- Calcium L-5-Methyltetrahydrofolate (Metafolin, brand) vs. L-5-Methyltetrahydrofolate (L-Methylfolate, free acid)
- Calcium L-5-Methyltetrahydrofolate (Metafolin, brand) vs. Quatrefolic (glucosamine salt of L-5-MTHF, brand)
- L-5-Methyltetrahydrofolate (L-Methylfolate, free acid) vs. Quatrefolic (glucosamine salt of L-5-MTHF, brand)
Ginger (Zingiber officinale)
- Ginger root/rhizome extract (unstandardized or ratio extract) vs. Ginger root/rhizome powder (dried)
- Ginger root/rhizome extract (unstandardized or ratio extract) vs. Fresh ginger / ginger juice
- Ginger root/rhizome extract (unstandardized or ratio extract) vs. Ginger extract standardized to gingerols (and gingerol/shogaol marker rows)
- Ginger root/rhizome extract (unstandardized or ratio extract) vs. Ginger essential oil / oleoresin
- Ginger root/rhizome powder (dried) vs. Fresh ginger / ginger juice
- Ginger root/rhizome powder (dried) vs. Ginger extract standardized to gingerols (and gingerol/shogaol marker rows)
- Ginger root/rhizome powder (dried) vs. Ginger essential oil / oleoresin
- Fresh ginger / ginger juice vs. Ginger extract standardized to gingerols (and gingerol/shogaol marker rows)
- Fresh ginger / ginger juice vs. Ginger essential oil / oleoresin
- Ginger extract standardized to gingerols (and gingerol/shogaol marker rows) vs. Ginger essential oil / oleoresin
Glucosamine
Green Tea Extract
Iodine
Iron
- Ferrous Fumarate vs. Ferrous/Iron Bisglycinate Chelate
- Ferrous Fumarate vs. Iron Amino Acid Chelate
- Ferrous Fumarate vs. Ferrous Sulfate
- Ferrous Fumarate vs. Ferrous Gluconate
- Ferrous/Iron Bisglycinate Chelate vs. Iron Amino Acid Chelate
- Ferrous/Iron Bisglycinate Chelate vs. Ferrous Sulfate
- Ferrous/Iron Bisglycinate Chelate vs. Ferrous Gluconate
- Iron Amino Acid Chelate vs. Ferrous Sulfate
- Iron Amino Acid Chelate vs. Ferrous Gluconate
- Ferrous Sulfate vs. Ferrous Gluconate
L-Arginine
- L-Arginine Hydrochloride vs. Arginine Alpha-Ketoglutarate (AAKG)
- L-Arginine Hydrochloride vs. Arginine Silicate Inositol Complex (Nitrosigine-type)
- L-Arginine Hydrochloride vs. Arginine Nitrate
- L-Arginine Hydrochloride vs. L-Arginine Pyroglutamate
- Arginine Alpha-Ketoglutarate (AAKG) vs. Arginine Silicate Inositol Complex (Nitrosigine-type)
- Arginine Alpha-Ketoglutarate (AAKG) vs. Arginine Nitrate
- Arginine Alpha-Ketoglutarate (AAKG) vs. L-Arginine Pyroglutamate
- Arginine Silicate Inositol Complex (Nitrosigine-type) vs. Arginine Nitrate
- Arginine Silicate Inositol Complex (Nitrosigine-type) vs. L-Arginine Pyroglutamate
- Arginine Nitrate vs. L-Arginine Pyroglutamate
L-Carnitine
- L-Carnitine L-Tartrate vs. Acetyl-L-Carnitine (ALC)
- L-Carnitine L-Tartrate vs. Acetyl-L-Carnitine Hydrochloride
- L-Carnitine L-Tartrate vs. L-Carnitine Fumarate
- L-Carnitine L-Tartrate vs. L-Carnitine Hydrochloride
- Acetyl-L-Carnitine (ALC) vs. Acetyl-L-Carnitine Hydrochloride
- Acetyl-L-Carnitine (ALC) vs. L-Carnitine Fumarate
- Acetyl-L-Carnitine (ALC) vs. L-Carnitine Hydrochloride
- Acetyl-L-Carnitine Hydrochloride vs. L-Carnitine Fumarate
- Acetyl-L-Carnitine Hydrochloride vs. L-Carnitine Hydrochloride
- L-Carnitine Fumarate vs. L-Carnitine Hydrochloride
L-Citrulline
L-Glutamine
Magnesium
- Magnesium Oxide vs. Magnesium Citrate
- Magnesium Oxide vs. Magnesium Glycinate
- Magnesium Oxide vs. Magnesium Aspartate
- Magnesium Oxide vs. Magnesium Amino Acid Chelate
- Magnesium Citrate vs. Magnesium Glycinate
- Magnesium Citrate vs. Magnesium Aspartate
- Magnesium Citrate vs. Magnesium Amino Acid Chelate
- Magnesium Glycinate vs. Magnesium Aspartate
- Magnesium Glycinate vs. Magnesium Amino Acid Chelate
- Magnesium Aspartate vs. Magnesium Amino Acid Chelate
Manganese
Milk Thistle (Silybum marianum)
Molybdenum
- Sodium Molybdate vs. Molybdenum Amino Acid Chelate
- Sodium Molybdate vs. Molybdenum Glycinate Chelate
- Sodium Molybdate vs. Molybdenum Krebs Cycle Chelate
- Sodium Molybdate vs. Molybdenum Citrate
- Molybdenum Amino Acid Chelate vs. Molybdenum Glycinate Chelate
- Molybdenum Amino Acid Chelate vs. Molybdenum Krebs Cycle Chelate
- Molybdenum Amino Acid Chelate vs. Molybdenum Citrate
- Molybdenum Glycinate Chelate vs. Molybdenum Krebs Cycle Chelate
- Molybdenum Glycinate Chelate vs. Molybdenum Citrate
- Molybdenum Krebs Cycle Chelate vs. Molybdenum Citrate
Omega-3 Fatty Acids (EPA + DHA)
Potassium
- Potassium Citrate vs. Potassium Chloride
- Potassium Citrate vs. Potassium Bicarbonate
- Potassium Citrate vs. Potassium Aspartate
- Potassium Citrate vs. Potassium Gluconate
- Potassium Chloride vs. Potassium Bicarbonate
- Potassium Chloride vs. Potassium Aspartate
- Potassium Chloride vs. Potassium Gluconate
- Potassium Bicarbonate vs. Potassium Aspartate
- Potassium Bicarbonate vs. Potassium Gluconate
- Potassium Aspartate vs. Potassium Gluconate
Resveratrol
Saw Palmetto (Serenoa repens)
Selenium
Vitamin A
Vitamin B12 (Cobalamin)
Vitamin C
Vitamin E
Zeaxanthin
Zinc
- Zinc Oxide vs. Zinc Citrate
- Zinc Oxide vs. Zinc Gluconate
- Zinc Oxide vs. Zinc Bisglycinate Chelate
- Zinc Oxide vs. Zinc Amino Acid Chelate
- Zinc Citrate vs. Zinc Gluconate
- Zinc Citrate vs. Zinc Bisglycinate Chelate
- Zinc Citrate vs. Zinc Amino Acid Chelate
- Zinc Gluconate vs. Zinc Bisglycinate Chelate
- Zinc Gluconate vs. Zinc Amino Acid Chelate
- Zinc Bisglycinate Chelate vs. Zinc Amino Acid Chelate