| 5-HTP 50 mg | Seeking Health | Capsule | 100 |
| 5-HTP Extended Release 200 mg | Seeking Health | Tablet or Pill | 30 |
| 5-HTP Lozenge 50 mg | Seeking Health | Lozenge | 100 |
| Acetyl-L-Carnitine | Seeking Health | Capsule | 90 |
| Acetyl-L-Carnitine 500 mg | Seeking Health | Capsule | 90 |
| Active B12 1000 | Seeking Health | Lozenge | 60 |
| Active B12 5000 | Seeking Health | Lozenge | 60 |
| Active B12 with L-5-MTHF | Seeking Health | Lozenge | 60 |
| Active Folate | Seeking Health | Lozenge | 60 |
| Active Magnesium | Seeking Health | Tablet or Pill | 100 |
| Adeno B12 | Seeking Health | Lozenge | 60 |
| Adeno B12 3,000 mcg | Seeking Health | Lozenge | 60 |
| Adrenal Cortex | Seeking Health | Capsule | 60 |
| Adrenal Cortex 50 mg | Seeking Health | Capsule | 60 |
| Adrenal Nutrients | Seeking Health | Capsule | 30 |
| Allicin Plus | Seeking Health | Softgel Capsule | — |
| Alpha-Ketoglutarate 350 mg | Seeking Health | Capsule | 60 |
| Ashwagandha Extract 467 mg | Seeking Health | Capsule | 60 |
| B Complex MF | Seeking Health | Capsule | 100 |
| B Complex Plus | Seeking Health | Capsule | 100 |
| B Minus | Seeking Health | Capsule | 100 |
| Bacillus Coagulans | Seeking Health | Capsule | 60 |
| Benfotiamine | Seeking Health | Capsule | 60 |
| Biotin 5 | Seeking Health | Capsule | 90 |
| Bone Nutrients | Seeking Health | Capsule | 60 |
| Calcium D-Glucarate | Seeking Health | Capsule | 60 |
| Caprylic Acid 250 mg | Seeking Health | Capsule | 120 |
| Copper 2 mg | Seeking Health | Capsule | 100 |
| D-Ribose | Seeking Health | Powder | 60 |
| DIM + I3C | Seeking Health | Capsule | 60 |
| DIM + I3C with PQQ | Seeking Health | Capsule | 60 |
| Folinic Acid 800 mcg | Seeking Health | Capsule | 60 |
| Folinic Acid Lozenge 1,360 mcg DFE | Seeking Health | Lozenge | 60 |
| Folinic Acid Lozenge 800 mcg | Seeking Health | Lozenge | 60 |
| GABA 500 mg | Seeking Health | Capsule | 60 |
| Gallbladder Nutrients | Seeking Health | Capsule | 30 |
| HistaminX | Seeking Health | Capsule | 30 |
| Histamine Block | Seeking Health | Capsule | 30 |
| Histamine Block Plus | Seeking Health | Capsule | 30 |
| Histamine Digest | Seeking Health | Capsule | 90 |
| HomocysteX | Seeking Health | Capsule | 60 |
| HomocysteX Plus with TMG | Seeking Health | Capsule | 60 |
| Hydrox-Adeno B12 | Seeking Health | Lozenge | 60 |
| Hydrox-Adeno B12 2,000 mcg | Seeking Health | Lozenge | 60 |
| Hydroxo B12 2,000 mcg | Seeking Health | Lozenge | 60 |
| Hydroxo B12 with Folinic Acid | Seeking Health | Lozenge | 60 |
| Immune Intensive | Seeking Health | Liquid | 36 |
| Iron Chewable 10 mg | Seeking Health | Tablet or Pill | 60 |
| Kids Optimal Multivitamin | Seeking Health | Capsule | 30 |
| L-5-MTHF 1,000 mcg | Seeking Health | Capsule | 60 |
| L-5-MTHF 1,700 mcg DFE | Seeking Health | Capsule | 60 |
| L-5-MTHF 25,500 mcg DFE | Seeking Health | Capsule | 60 |
| L-5-MTHF 8,500 mcg DFE | Seeking Health | Capsule | 60 |
| L-5-MTHF Lozenge 1,000 mcg | Seeking Health | Lozenge | 60 |
| L-Glutamine Powder | Seeking Health | Powder | 60 |
| L-Lysine 500 mg | Seeking Health | Capsule | 100 |
| L-Theanine 100 mg | Seeking Health | Capsule | 60 |
| L-Tyrosine 500 mg | Seeking Health | Capsule | 100 |
| Lactase Drops | Seeking Health | Liquid | 52 |
| Lithium Orotate 5 mg | Seeking Health | Capsule | 100 |
| Liver Nutrients | Seeking Health | Capsule | 60 |
| Magnesium Glycinate Powder 200 mg | Seeking Health | Powder | 100 |
| Magnesium Malate 500 mg | Seeking Health | Powder | 100 |
| Magnesium Malate Chewable 100 mg | Seeking Health | Tablet or Pill | 100 |
| Magnesium Plus | Seeking Health | Capsule | 100 |
| Manganese 10 mg | Seeking Health | Capsule | 100 |
| Mastic Gum 550 mg | Seeking Health | Capsule | 50 |
| Melatonin 5 mg | Seeking Health | Lozenge | 90 |
| Methionine 500 mg | Seeking Health | Capsule | 100 |
| Molybdenum 500 mcg | Seeking Health | Capsule | 90 |
| Molybdenum 75 75 mcg | Seeking Health | Capsule | 90 |
| Multivitamin One | Seeking Health | Capsule | 45 |
| Multivitamin One MF | Seeking Health | Capsule | 45 |
| Multivitamin Sensitive | Seeking Health | Capsule | 30 |
| Multivitamin with Iron 45 mg | Seeking Health | Capsule | 30 |
| NAC 500 mg | Seeking Health | Capsule | 90 |
| NADH + CoQ10 | Seeking Health | Lozenge | 30 |
| Nattokinase 100 mg | Seeking Health | Capsule | 60 |
| Neutralize | Seeking Health | Capsule | 250 |
| Niacin 50 mg NE | Seeking Health | Capsule | 100 |
| Niacin 500 mg | Seeking Health | Tablet or Pill | 100 |
| Niacin Lozenge 50 mg | Seeking Health | Lozenge | 100 |
| Oil Of Oregano | Seeking Health | Softgel Capsule | — |
| Olive Leaf Extract 250 mg | Seeking Health | Capsule | 120 |
| Optimal Adrenal | Seeking Health | Capsule | 30 |
| Optimal Amino Blend | Seeking Health | Capsule | 150 |
| Optimal CoQ10 100 mg | Seeking Health | Capsule | 60 |
| Optimal Creatine | Seeking Health | Powder | 225 |
| Optimal Curcumin 250 mg | Seeking Health | Capsule | 90 |
| Optimal Detox Chocolate | Seeking Health | Powder | 14 |
| Optimal Detox Vanilla | Seeking Health | Powder | 14 |
| Optimal Elderberry Plus Liquid | Seeking Health | Liquid | 118 |
| Optimal Electrolyte Berry | Seeking Health | Powder | 30 |
| Optimal Electrolyte Lemonade | Seeking Health | Other (e.g. tea bag) | 30 |
| Optimal Electrolyte Orange | Seeking Health | Powder | 30 |
| Optimal Electrolyte Plain | Seeking Health | Powder | 30 |
| Optimal Electrolyte Seltzer | Seeking Health | Powder | 30 |
| Optimal Fish Oil | Seeking Health | Softgel Capsule | 120 |
| Optimal Focus | Seeking Health | Capsule | 30 |
| Optimal GI | Seeking Health | Capsule | 30 |
| Optimal GI Plus with L-Glutamine Natural Peach Flavor | Seeking Health | Powder | 30 |
| Optimal GI Powder | Seeking Health | Powder | 30 |
| Optimal Glutathione Plus with Cofactors | Seeking Health | Capsule | 60 |
| Optimal Iodine 12.5 mg | Seeking Health | Capsule | 90 |
| Optimal Iodine 6.25 mg | Seeking Health | Capsule | 90 |
| Optimal Iron 29 mg with Cofactors | Seeking Health | Capsule | 90 |
| Optimal Iron Chewable | Seeking Health | Tablet or Pill | 60 |
| Optimal Krill Oil | Seeking Health | Softgel Capsule | 30 |
| Optimal Liposomal Active B12 with L-5-MTHF | Seeking Health | Liquid | 30 |
| Optimal Liposomal CoQ10 200 mg | Seeking Health | Liquid | 30 |
| Optimal Liposomal Curcumin with Resveratrol | Seeking Health | Liquid | 30 |
| Optimal Liposomal Glutathione 500 mg Natural Tropical Flavor | Seeking Health | Liquid | 30 |
| Optimal Liposomal Glutathione 500 mg Original Mint Flavor | Seeking Health | Liquid | 30 |
| Optimal Liposomal Glutathione Plus 350 mg with Cofactors | Seeking Health | Liquid | 30 |
| Optimal Liposomal L-5-MTHF 1 mg | Seeking Health | Liquid | 30 |
| Optimal Liposomal Vitamin C Natural Lemon Flavor 1,000 mg | Seeking Health | Liquid | 30 |
| Optimal Liposomal Vitamin C Plus | Seeking Health | Liquid | 30 |
| Optimal MSM Plus Molybdenum | Seeking Health | Capsule | 100 |
| Optimal Magnesium 150 mg | Seeking Health | Capsule | 100 |
| Optimal Man | Seeking Health | Capsule | 30 |
| Optimal Molybdenum Drops | Seeking Health | Liquid | 600 |
| Optimal Multivitamin | Seeking Health | Capsule | 30 |
| Optimal Multivitamin Chewable | Seeking Health | Tablet or Pill | 30 |
| Optimal Multivitamin Methyl One | Seeking Health | Capsule | 45 |
| Optimal Multivitamin Minus One | Seeking Health | Capsule | 45 |
| Optimal Multivitamin Plus | Seeking Health | Capsule | 30 |
| Optimal Multivitamin Powder Cherry | Seeking Health | Powder | 30 |
| Optimal Multivitamin W/ Iron | Seeking Health | Capsule | 30 |
| Optimal Multivitamin w/Iron | Seeking Health | Capsule | 30 |
| Optimal PC | Seeking Health | Softgel Capsule | 100 |
| Optimal Potassium Powder Lemon-Lime | Seeking Health | Powder | 120 |
| Optimal Prenatal | Seeking Health | Capsule | 30 |
| Optimal Prenatal Chewable | Seeking Health | Tablet or Pill | 30 |
| Optimal Prenatal Chocolate | Seeking Health | Powder | 15 |
| Optimal Prenatal Methyl-Free | Seeking Health | Capsule | 30 |
| Optimal Prenatal Vanilla | Seeking Health | Powder | 15 |
| Optimal Primrose | Seeking Health | Softgel Capsule | 100 |
| Optimal Protein | Seeking Health | Powder | 30 |
| Optimal Sleep | Seeking Health | Capsule | 30 |
| Optimal Sleep II | Seeking Health | Capsule | 30 |
| Optimal Start | Seeking Health | Capsule | 30 |
| Optimal Vitamin C Plus | Seeking Health | Powder | 40 |
| Optimal Vitamin D Drops 2,000 IU | Seeking Health | Liquid | 900 |
| Optimal Vitamin E 400 IU | Seeking Health | Softgel Capsule | 100 |
| Optimal Zinc | Seeking Health | Capsule | 60 |
| Optimal Zinc Lozenge | Seeking Health | Lozenge | 60 |
| Ox Bile 125 | Seeking Health | Capsule | 120 |
| Ox Bile 125 mg | Seeking Health | Capsule | 120 |
| P-5-P 25 mg | Seeking Health | Capsule | 100 |
| PQQ Lozenge 20 mg | Seeking Health | Lozenge | 30 |
| Pantothenic Acid 500 mg | Seeking Health | Capsule | 100 |
| Phosphatidyl Serine 100 mg | Seeking Health | Capsule | 60 |
| Phosphatidyl Serine 150 mg | Seeking Health | Capsule | 60 |
| Pre-Workout Nutrients | Seeking Health | Powder | 15 |
| PreGestion | Seeking Health | Capsule | 100 |
| Prenatal Essentials | Seeking Health | Capsule | 30 |
| Prenatal Essentials Chewable | Seeking Health | Tablet or Pill | 30 |
| Prenatal Essentials Methyl-Free | Seeking Health | Capsule | 30 |
| Pro-Digestion | Seeking Health | Capsule | 60 |
| Pro-Digestion Intensive | Seeking Health | Tablet or Pill | 90 |
| Pro-Digestion Intensive with DPP-IV Activity | Seeking Health | Capsule | 60 |
| ProBiota 12 Powder | Seeking Health | Powder | 60 |
| ProBiota BactriX | Seeking Health | Capsule | — |
| ProBiota Base | Seeking Health | Powder | 30 |
| ProBiota Bifido 12 Billion CFU | Seeking Health | Capsule | 60 |
| ProBiota Immune | Seeking Health | Capsule | 60 |
| ProBiota Infant | Seeking Health | Powder | 120 |
| ProBiota Infant Drops | Seeking Health | Liquid | 38 |
| ProBiota Rhamnosus | Seeking Health | Capsule | 60 |
| ProBiota Sensitive | Seeking Health | Capsule | 60 |
| ProBiota Woman 25 Billion CFU | Seeking Health | Capsule | 60 |
| Probiota HistaminX 10 Billion CFU | Seeking Health | Capsule | 60 |
| Pure Greens | Seeking Health | Powder | 30 |
| R-Lipoic Acid 100 mg | Seeking Health | Capsule | 60 |
| Resveratrol Plus | Seeking Health | Capsule | 60 |
| Riboflavin 400 mg | Seeking Health | Capsule | 60 |
| SOD 300 IU | Seeking Health | Capsule | 60 |
| Saccharomyces Boulardii | Seeking Health | Capsule | 60 |
| Saccharomyces Boulardii 5 Billion CFU | Seeking Health | Capsule | 60 |
| Selenium 200 mcg | Seeking Health | Capsule | 100 |
| Serotonin Nutrients | Seeking Health | Capsule | 60 |
| Taurine 500 mg | Seeking Health | Capsule | 100 |
| Thiamin 50 mg | Seeking Health | Capsule | 120 |
| Trace Minerals Complex | Seeking Health | Capsule | 30 |
| Trace Minerals Complex II | Seeking Health | Capsule | 30 |
| Vitamin A Drops 1,500 mcg RAE/Drop | Seeking Health | Liquid | 600 |
| Vitamin A Drops 1,507 mcg RAE | Seeking Health | Liquid | 600 |
| Vitamin A Drops 1,507 mcg RAE/drop | Seeking Health | Liquid | 600 |
| Vitamin D Drops 50 mcg (2,000 IU) | Seeking Health | Liquid | 900 |
| Vitamin D3 + K2 | Seeking Health | Capsule | 60 |
| Vitamin D3 + K2 Drops | Seeking Health | Liquid | 900 |
| Vitamin D3 125 mcg | Seeking Health | Capsule | 100 |
| Vitamin D3 125 mcg (5,000 IU) | Seeking Health | Capsule | 100 |
| Vitamin K2 | Seeking Health | Capsule | 60 |
| Zinc Carnosine | Seeking Health | Capsule | 60 |
| Zinc Lozenge 15 mg | Seeking Health | Lozenge | 60 |
| Active B12 With L-5-MTHFDiscontinued | Seeking Health | Lozenge | 60 |
| Active Magnesium ChewableDiscontinued | Seeking Health | Tablet or Pill | 100 |
| Alpha R Lipoic Acid 100 mgDiscontinued | Seeking Health | Capsule | 60 |
| Ashwagandha ExtractDiscontinued | Seeking Health | Capsule | 60 |
| B-MinusDiscontinued | Seeking Health | Capsule | 100 |
| Calcium D-Glucarate 250 mgDiscontinued | Seeking Health | Capsule | 60 |
| HomocysteX PlusDiscontinued | Seeking Health | Capsule | 60 |
| HomocystexDiscontinued | Seeking Health | Capsule | 60 |
| Hydroxo B12Discontinued | Seeking Health | Lozenge | 60 |
| Hydroxo B12 LozengeDiscontinued | Seeking Health | Lozenge | 60 |
| Hydroxo B12 With Folinic AcidDiscontinued | Seeking Health | Lozenge | 60 |
| Kids Optimal Multivitamin Iron-and Copper-FreeDiscontinued | Seeking Health | Capsule | 30 |
| Molybdenum 500Discontinued | Seeking Health | Capsule | 90 |
| Molybdenum 500 500 mcgDiscontinued | Seeking Health | Capsule | 90 |
| Niacin 50 mgDiscontinued | Seeking Health | Capsule | 100 |
| Opitmal CreatineDiscontinued | Seeking Health | Powder | 225 |
| Optimal Iron Plus CofactorsDiscontinued | Seeking Health | Capsule | 90 |
| Optimal Liposomal Active B12 With L-5-MTHFDiscontinued | Seeking Health | Liquid | 30 |
| Optimal Liposomal Glutathione 500 mgDiscontinued | Seeking Health | Liquid | 30 |
| Optimal Liposomal Glutathione Original MintDiscontinued | Seeking Health | Liquid | 30 |
| Optimal Liposomal Glutathione PlusDiscontinued | Seeking Health | Liquid | 30 |
| Optimal Liposomal Glutathione TropicalDiscontinued | Seeking Health | Liquid | 30 |
| Optimal Liposomal Vitamin C 1,000 mg Lemon ZestDiscontinued | Seeking Health | Liquid | 30 |
| Optimal Liposomal Vitamin C Lemon Zest 1,000 mgDiscontinued | Seeking Health | Liquid | 30 |
| Optimal Vitamin CDiscontinued | Seeking Health | Powder | 36 |
| Optimal Vitamin E With Mixed Tocopherols 400 IUDiscontinued | Seeking Health | Softgel Capsule | 100 |
| Pro-Digestion Intensive With DPP-IV ActivityDiscontinued | Seeking Health | Capsule | 60 |
| ProBiota 12Discontinued | Seeking Health | Capsule | 60 |
| ProBiota BifidoDiscontinued | Seeking Health | Capsule | 60 |
| ProBiota HistaminXDiscontinued | Seeking Health | Capsule | 60 |
| ProBiota WomanDiscontinued | Seeking Health | Capsule | 60 |
| Probiota HistaminXDiscontinued | Seeking Health | Capsule | 60 |
| Thiamine 50 mgDiscontinued | Seeking Health | Capsule | 120 |
| Vitamin A Drops 5,025 IUDiscontinued | Seeking Health | Liquid | 600 |