Top 35 Foods Highest in Glycine Per 100 Calories (Nutrient Density)

Maximize Glycine (g) while staying in a calorie deficit: USDA foods ranked by Glycine delivered per 100 kcal of energy. Rate-limiting amino acid for triple-helix collagen, glutathione synthesis, and deep slow-wave sleep.

USDA Leaderboard: Top 35 Foods Highest in Glycine Per 100 Calories (Nutrient Density)

Click any food below to open its full 100+ nutrient profile (including 22 vitamins, 11 minerals, amino acids, omega-3s, PRAL acid load, and WHO baby feeding age). Top food in this category: Snacks, pork skins, plain (11.9 g per 100g).

Rank	USDA Food Item	Glycine / 100g	% Daily Value	Per 100 kcal	Calories & Protein
#1	Snacks, pork skins, plain	11.9 g	100%	2.19 g	544 kcal · 61.3g P
#2	Pork, pickled pork hocks	3.34 g	100%	1.95 g	171 kcal · 19.1g P
#3	Pastrami, beef, 98% fat-free	1.44 g	48%	1.52 g	95 kcal · 19.6g P
#4	Mollusks, scallop, mixed species, raw	1.03 g	34.5%	1.5 g	69 kcal · 12.1g P
#5	Pork, cured, feet, pickled	2.03 g	67.8%	1.45 g	140 kcal · 11.6g P
#6	Crustaceans, lobster, northern, raw	1.1 g	36.7%	1.43 g	77 kcal · 16.5g P
#7	Corned beef loaf, jellied	2.17 g	72.3%	1.42 g	153 kcal · 22.9g P
#8	Fish, sheefish, raw (Alaska Native)	1.5 g	50%	1.3 g	115 kcal · 22.2g P
#9	Crustaceans, crab, blue, canned	1.07 g	35.7%	1.29 g	83 kcal · 17.9g P
#10	Mollusks, cuttlefish, mixed species, raw	1.02 g	33.9%	1.29 g	79 kcal · 16.2g P
#11	Crustaceans, crab, blue, raw	1.09 g	36.3%	1.25 g	87 kcal · 18.1g P
#12	Veal, variety meats and by-products, liver, raw	1.74 g	58%	1.24 g	140 kcal · 19.9g P
#13	Crustaceans, crab, queen, raw	1.12 g	37.2%	1.24 g	90 kcal · 18.5g P
#14	Fish, haddock, cooked, dry heat	1.11 g	37.1%	1.24 g	90 kcal · 20g P
#15	Beef, ground, 97% lean meat / 3% fat, raw	1.49 g	49.8%	1.23 g	121 kcal · 22g P
#16	Fish, haddock, raw	0.908 g	30.3%	1.23 g	74 kcal · 16.3g P
#17	Crustaceans, crab, dungeness, raw	1.05 g	35%	1.22 g	86 kcal · 17.4g P
#18	Quail, breast, meat only, raw	1.5 g	49.9%	1.22 g	123 kcal · 22.6g P
#19	Turkey, ground, fat free, raw	1.28 g	42.8%	1.15 g	112 kcal · 23.6g P
#20	Turkey, ground, fat free, pan-broiled crumbles	1.73 g	57.7%	1.15 g	151 kcal · 31.7g P
#21	Beef, cured, dried	1.75 g	58.3%	1.14 g	153 kcal · 31.1g P
#22	Mollusks, octopus, common, raw	0.933 g	31.1%	1.14 g	82 kcal · 14.9g P
#23	Crustaceans, spiny lobster, mixed species, raw	1.24 g	41.4%	1.11 g	112 kcal · 20.6g P
#24	Fish, halibut, Atlantic and Pacific, raw	0.999 g	33.3%	1.1 g	91 kcal · 18.6g P
#25	Mollusks, whelk, unspecified, raw	1.5 g	49.8%	1.09 g	137 kcal · 23.8g P
#26	Fish, tilapia, raw	1.04 g	34.8%	1.09 g	96 kcal · 20.1g P
#27	Veal, shank, separable lean only, raw	1.02 g	33.9%	1.08 g	94 kcal · 19.8g P
#28	Squab, (pigeon), light meat without skin, raw	1.44 g	48.1%	1.08 g	134 kcal · 21.8g P
#29	Beef, ground, 95% lean meat / 5% fat, raw	1.45 g	48.5%	1.06 g	137 kcal · 21.4g P
#30	Mollusks, squid, mixed species, raw	0.974 g	32.5%	1.06 g	92 kcal · 15.6g P
#31	Fish, pike, northern, raw	0.924 g	30.8%	1.05 g	88 kcal · 19.3g P
#32	Fish, cusk, raw	0.912 g	30.4%	1.05 g	87 kcal · 19g P
#33	Fish, ling, raw	0.911 g	30.4%	1.05 g	87 kcal · 19g P
#34	Fish, sunfish, pumpkin seed, raw	0.931 g	31%	1.05 g	89 kcal · 19.4g P
#35	Fish, mahimahi, raw	0.888 g	29.6%	1.04 g	85 kcal · 18.5g P

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