WHOLE FOOD NUTRITION FOR healthspan

Complete Nutrition Shake

26g complete protein + B vitamins for muscle and energy
11g fiber and prebiotics for a well-fed microbiome
1,005mg polyphenols and 1,650mg omega-3s for heart and brain
25 vitamins and minerals, naturally occurring in real food

Nothing synthetic. Nothing artificial. Ready in 60 seconds.

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Pouch Travel Packs

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Taste & Texture Guarantee | Nutrition Facts

FDA-Registered Facility

Third-Party Lab Tested

Certificate of Analysis

84% Organic Ingredients

Allergen Free

Non-GMO

No Gluten

No Soy

Vegan

Nothing Artificial

No Synthetic Ingredients

No Common Allergens

No Preservatives

What people are saying.

★★★★★

"As a physician, I appreciate Field Theory’s whole-food, phytochemical-rich ingredients. The texture is rich with a surprisingly mild, enjoyable taste. Blending it with raw cocoa and ice makes a perfect mid-day meal."

Mark B., Austin, TX

Verified Buyer

★★★★★

"Amazing product, changed my morning, my day and my life. Superior crafted and the best multi-factor powder I've ever seen or used. High value for the cost."

David K., Los Angeles, CA

Verified Buyer

★★★★★

"Finally. A shake without tons of weirdo ingredients. I don't need a multivitamin. I need real food. Field Theory gets it right."

Andres C., Lafayette, CA

Verified Buyer

★★★★★

"It’s smooth, satisfying, and actually leaves me feeling full, not reaching for a snack an hour later. It tastes good, the ingredients are clean, and it does what a meal should do."

Gina B., Phoenix, AZ

Verified Buyer

★★★★★

"At 63, I'm still surfing, doing jujitsu, skiing, and lifting. The same activities I've loved since rowing in college. Field Theory's science-based formula provides the nutrition I need to maintain my lifestyle without a cabinet full of supplements or the mental load of tracking everything."

Bruce B., Philadelphia, PA

Verified Buyer

★★★★★

"Nice flavor, not too sweet, and blends well. I usually feel pretty hungry soon after drinking a smoothie/protein shake, but this is fiber-filled and sticks with me longer. I've been using as a post-work meal and after a long run or hard workout to help with my recovery."

Kara M., San Mateo, CA

Verified Buyer

★★★★★

"This is my in-between meetings, packed work day life-saver! I put cold water in my travel mug, give it a good shake, and that’s it. Doesn’t clump, doesn’t need anything else, easy to sip and go."

Anitra A., Berkeley, CA

Verified Buyer

★★★★★

"Work keeps me always on the go. My nutritionist recommended Field Theory, and it has become my go-to breakfast every other day, and whenever I’m traveling."

Marvin, SF Bay area, CA

Verified Buyer

How to Use.

Cold water. Scoops. Shake or blend. That's it.

1 Add cold water

→

2 Add scoops

→

3 Shake or blend

→

4 Drink

Healthy Snack

1 scoop + 8 oz cold water

145

Calories

13g

Protein

5.5g

Fiber

503mg

Polyphenols

What you get

✓ 13g plant protein between meals

✓ 5.5g fiber to hold the gap until dinner

✓ 503mg polyphenols from named whole foods

✓ Ready in under a minute

A Breakfast or Lunch Upgrade Recommended

2 scoops + 16 oz cold water

290

Calories

26g

Protein

11g

Fiber

1,005mg

Polyphenols

What you get

✓ A full meal, not a snack between them

✓ 26g protein supports muscle maintenance

✓ 11g fiber keeps you full 3 to 4 hours

✓ 1,005mg polyphenols for heart and brain, more than most people get in a day

High-Protein Meal

3 scoops + 24 oz cold water

435

Calories

39g

Protein

16.5g

Fiber

1,508mg

Polyphenols

What you get

✓ 39g protein for days when the other meals fall short

✓ 16.5g fiber for sustained fullness

✓ 1,508mg polyphenols and 2,475mg omega-3 ALA

✓ One meal covering the ground of two

Pro Tips

Use a blender bottle with a shaker ball for the smoothest texture.

Add ice after mixing if you like it extra cold, not before, since it clumps.

Drink soon after mixing for best taste and texture.

What It Replaces.

To match the whole food nutrition in one Field Theory shake, you'd need all of this:

Your grocery list

Non-fat Greek yogurt (4 oz)

$1.12

Wild-caught salmon (1.5 oz)

$2.34

Organic blueberries (3/4 cup)

$2.56

Raw walnuts (7 halves)

$0.31

Chia seeds (1 tbsp)

$0.24

Organic baby spinach (2 cups)

$1.20

Cooked lentils (1/3 cup)

$1.25

Matcha green tea (1 tsp)

$0.62

Cost per meal

$9.64

Prep time: 25-30 minutes
Cleanup: 10-15 minutes
Ingredients to buy, store, prep: 8

Based on premium grocery prices, January 2026.

Field Theory Complete Nutrition Shake

$4.00

per meal

Based on subscription pricing.

Prep time

2 minutes

Cleanup

Rinse one shaker

Ingredients

Already combined

Save $5.64 per meal. Save 35+ minutes.
Same whole food nutrition.

Try Field Theory for a week.

5 servings. $29.99

You don't need to commit to a subscription to find out if Field Theory works for you. Five single-serving packs. Enough for a full week of breakfast upgrades.

Shop Now

Before you order.

How does shipping work, and what if I don't like it?

Subscribers get free shipping on every order. One-time orders ship for a flat $5. We ship from Bend, Oregon by USPS or UPS, Monday through Friday, and most orders arrive within 4 to 6 business days.

If your first order is not right for you, contact us within 30 days and we will refund the purchase price, minus shipping.

Can I pause, skip, or cancel a subscription?

Any time, from your account. Choose delivery every 4, 6, or 8 weeks, and change the interval whenever you like. A reminder goes out before every shipment, so nothing arrives unannounced. No fees, no minimum number of orders.

What does it taste like?

Subtly sweet, with hints of vanilla and nut. Light and refreshing, smooth rather than chalky. It tastes like the food it is made from.

Covered by the Taste & Texture Guarantee.

Read all the questions

What it does

Six biological systems, the nutrients that support each one, and where every amount comes from.

What's in it

All 27 ingredients, each one named, with sourcing, manufacturing, and testing detail.

What you need

Your own protein, fiber, and phytonutrient targets, and how much of each one meal delivers.