H.

Haematococcus Algae Meal is a colorant — Color additive in salmon feed to color flesh pink/orange-red

Halofuginone Hydrobromide is a veterinary drug — Anti-coccidial in broiler chicken and turkey feed

Haloxon is a veterinary drug — Antiworm medicine for animals

Hereditary disorder in which tryptophan absorption and excretion are abnormal.

Autoimmune destruction of the thyroid gland and the most common cause of hypothyroidism in iodine-replete countries.

Haw Bark is a flavoring — Bitter, caramel, cola, maple, walnut flavoring

Hawthorn Berry is a flavoring — Used in herbal medicine for cardiovascular benefits

Systematic preventive approach to food safety that identifies, evaluates, and controls hazards from raw material through consumption.

Glycated form of hemoglobin reflecting average plasma glucose over the preceding 2-3 months (the RBC lifespan); used for diabetes diagnosis (≥6.5%), monitoring, and risk assessment.

Hca is a other — Carcinogenic chemicals formed when cooking meat at high temperatures

Cholesterol content of high-density lipoproteins, historically considered "good cholesterol" because of inverse epidemiologic association with cardiovascular disease, now understood as functional rather than concentration-dependent.

Weight-inclusive paradigm that promotes intuitive eating, joyful movement, and health behaviors regardless of body size.

health claim

Differences in health outcomes between population groups that are systematic, avoidable, and unjust.

1996 U.S. law setting national standards for protection of identifiable health information.

Scoring system that measures how well a diet conforms to the Dietary Guidelines for Americans.

healthy eating pattern

Decennial U.S. federal initiative setting science-based national objectives for improving health.

Inability of the heart to pump blood at a rate sufficient to meet tissue metabolic demand, classified by ejection fraction (HFrEF, HFpEF).

Heart-Check seal

Metabolic response to heat exposure producing heat rash, cramps, exhaustion, or stroke.

Iron bound within a porphyrin ring in hemoglobin and myoglobin from animal flesh, absorbed via the HCP1/HRG-1 pathway with bioavailability of approximately 15-35%, largely independent of other dietary factors.

Inherited disorder of excessive iron absorption and iron overload.

Renal replacement therapy that pumps blood through an external dialyzer to remove waste products, fluid, and electrolytes.

Reversible neuropsychiatric syndrome in advanced liver disease caused by accumulation of gut-derived neurotoxins, especially ammonia.

Liver-produced 25-amino-acid peptide hormone that regulates systemic iron homeostasis by binding to the iron exporter ferroportin and inducing its internalization and degradation.

Heptachlor is a pesticide residue — Insecticide; commercial use banned in US 1985

Complexes formed between two different receptors or molecules.

Hexachlorobenzene is a pesticide residue — Previously pesticide to protect against fungus; banned in US

Hexachlorobutadiene is a pesticide residue — Industrial solvent; food contaminant

Hexachlorocyclohexane is a pesticide residue — Pesticide used on fruit/vegetable crops

Hexachloroethane is a pesticide residue — Industrial; component of fungicides, insecticides

Hexachlorophene is a preservative — Antibacterial; FDA restricts use

Hexamethylenetetramine is a preservative — Urinary antibacterial; used in Provolone cheese production

Hexane is a solvent processing aid — Extraction solvent for vegetable oils

See Pentose phosphate pathway.

Hexylresorcinol is a preservative — Color stabilizer, enzyme browning inhibitor, processing aid

Hickory Smoke Concentrate is a flavoring — Food flavoring popular in US

High Fructose Corn Syrup is a natural sweetener — Corn syrup treated with enzymes; 1.5x sweeter than sugar

Histidine is a amino acid — Basic essential amino acid; nutrient

Retroviral infection that progressively destroys CD4+ T cells, leading to immunodeficiency and opportunistic infections if untreated.

Tendency toward stability in the internal environment of the body.

Sulfur amino acid intermediate of methionine metabolism whose plasma elevation reflects impaired remethylation (folate, B12, riboflavin) or transsulfuration (B6) and is an independent risk marker for cardiovascular disease.

Complexes formed between two of the same receptors or molecules.

Honey is a natural sweetener — Sweet viscous material from bee nectar

Hops is a flavoring — Used in beer brewing and fruit/root beer flavorings

Chemical messengers synthesized by endocrine tissue and transported in blood to target tissues.

Horse Chestnut is a other — Tonic, tannic astringent for skin, fever-reducing

Horseradish Extract is a flavoring — Condiment ingredient from tall white-flowered herb

hunger and fullness scale

Anion of hydrogen with one proton and two electrons; participates in NAD+/NADH redox.

Hydrochloric Acid is a acidulant — Modifier for food starch, in MSG/gelatin manufacture, pH adjuster

Cation of hydrogen with a single proton and no electrons.

Hydrogen Peroxide is a bleaching agent — Bleaching, oxidizing additive; preservative and germ killer in milk and cheese

Hydrogenated Oil is a other — Oil partially converted from polyunsaturated to saturated fats

Enzymes that catalyze bond cleavage by addition of water.

Hydrolysed Beef Gelatine is a other additive listed in the FDA food-additive database.

Hydrolysed Vegetable Protein is a other additive listed in the FDA food-additive database.

Hydrolyzed Vegetable Protein is a flavor enhancer — Flavor enhancer used in soup, beef, stew

Protonated superoxide radical.

Having strong affinity for water and other polar substances.

Repels water but has affinity for nonpolar substances.

Crystal-lattice substance Ca10(PO4)6(OH)2 found in bones and teeth.

Oxygen-centered radical generated when the body is exposed to γ rays or low-wavelength electromagnetic radiation.

Hydroxylated Lecithin is a emulsifier — Emulsifier and antioxidant in baked goods, ice cream, margarine

Hydroxypropyl Methylcellulose is a emulsifier — Emulsifier in food including meat products

Excessive urinary calcium excretion.

Above-normal blood glucose level.

High concentrations of potassium in the blood.

Elevated blood level of any lipid.

High concentrations of phosphorus in the blood.

Abnormal cell proliferation.

Abnormal increase in the rate and depth of breathing.

Sustained elevation of arterial blood pressure (>=130/80 mmHg per 2017 ACC/AHA guideline).

Enlargement of cells to increase the size of an organ or tissue.

Low concentrations of calcium in the blood.

Below-normal blood glucose level.

Low concentrations of potassium in the blood.

Low concentrations of sodium in the blood.

Inadequate oxygen supply to tissues.