Annie Rubin Nutrition

Annie Rubin Nutrition Bay Area Dietitian helping clients manage their autoimmune and inflammatory conditions with diet and lifestyle.

Are you struggling with symptoms caused by an underlying inflammatory and autoimmune condition? Do you experience pain, fatigue or digestive challenges? Are you finding that your quality of life just isn’t what it used to be? Inflammatory and autoimmune conditions can be extremely challenging, and unfortunately adjusting your diet is usually not part of the “typical” treatment plan. In my work wit

h clients struggling with autoimmune or inflammatory disorders, I help them implement a personalized nutrition roadmap designed to improve mobility, concentration and energy levels to ultimately live a vibrant and fulfilling life.

08/03/2026

Chronic stress can really impact gut health. However, 2 significant impacts that aren't talked about often is stress's impact on secretory IgA and stomach acid. Today I discuss both, so please check it out.

When an strikes, your immune system shifts into a state of hyper-activity, consuming massive amounts of cellular energ...
08/03/2026

When an strikes, your immune system shifts into a state of hyper-activity, consuming massive amounts of cellular energy (ATP). 🔥 Attempting to "push through" forces your body to rely on stress hormones like cortisol and adrenaline. While these hormones provide temporary energy, they ultimately accelerate tissue and prolong the flare duration.

Clinical management of an acute flare requires immediate physical pacing. Think of your body as a battery operating at 15% capacity; every minor task drains it faster. 🪫 Here are a few immediate things you can do to protect your and start flare reversal:

1️⃣ Cancel non-essential tasks immediately to lower baseline metabolic demands.
2️⃣ Implement horizontal rest for 15-minute intervals every two hours, even if you don't feel sleepy.
3️⃣ Delegate physical chores to protect your joints and muscle tissues from oxidative .

Pacing is not giving up; it is clinical energy management. If you are struggling with flares and are looking for more integrative approach, my Ditch Your Inflammation program is for you. 💬 Comment GROUP for more information and to register.

immediately after eating? 😩 Feeling like food sits in your stomach like a brick? It might not be a - it could be str...
07/31/2026

immediately after eating? 😩 Feeling like food sits in your stomach like a brick? It might not be a - it could be stress-induced hypochlorhydria (i.e. low stomach acid).

To manage an , your food must be broken down completely into its smallest components. If it isn’t, those large, undigested proteins look like foreign invaders to a hyper-reactive immune system.

The first line of digestive breakdown relies entirely on hydrochloric acid (HCl) in the stomach. But HCl production is an incredibly energy-intensive process that requires deep parasympathetic (rest and digest) activation.

The Chain Reaction:
➡️ Blood flow shunt: Under stress, your body redirects blood flow away from the stomach and toward your skeletal muscles.
➡️ Suppressed Gastrin: stress hormones inhibit gastrin, the hormone responsible for telling your parietal cells to secrete stomach acid.
➡️ The Undigested Cascade: Without adequate stomach acid, proteins enter the small intestine largely intact, severely irritating the gut lining and triggering systemic immune reactivity.

You can eat the cleanest, most pristine on earth, but if you eat it while answering stressful emails or rushing in your car, your body cannot produce the acid needed to break it down safely.

✅ Pro tip: treat the 20 minutes during your meal as a sacred window. Put away work, step away from screens, chew each bite 20-30 times, and give your stomach the physical environment it needs to do its job.

We all know that stress can flare autoimmune diseases. 😩 We also know that can also affect how we digest and react to ...
07/29/2026

We all know that stress can flare autoimmune diseases. 😩 We also know that can also affect how we digest and react to certain foods. This is related to secretory IgA and the vagus nerve.

Secretory IgA is an antibody that acts as your gut lining’s primary security guard. It binds to , bacteria, and undigested food particles, neutralizing them before they can touch your gut wall or enter your bloodstream.

However, can affect Secretory IgA:
👉 When you are in a sympathetic (fight or flight) state, vagus nerve signaling drops. The vagus nerve is responsible for stimulating the production and secretion of Secretory IgA.
👉 High levels of chronic directly suppress your immune system’s ability to manufacture secretory IgA.

Why does this matter for ? When your stress lowers your secretory IgA levels, your gut defense shield goes down. Dietary proteins and environmental triggers that your body normally neutralizes are suddenly able to breach the gut barrier, interacting directly with your systemic immune system and driving autoimmune flares.

✅ Pro tip: before you eat, you must actively shift out of fight or flight. Take 3 slow diaphragmatic exhales (making the exhale longer than the inhale) right before your first bite. This rapidly stimulates the vagus nerve, signaling your gut to restore its protective defenses.

Stress is a huge trigger for autoimmune conditions. I’ve talked about a lot, but in the context of inflammation. 🔥 Str...
07/27/2026

Stress is a huge trigger for autoimmune conditions. I’ve talked about a lot, but in the context of inflammation. 🔥 Stress also significantly affects your digestion.

👉 Join me at noon PST on Instagram LIVE to learn more about the stress and connection.

If you miss it live, you can always catch the replay on my feed afterwards to learn more ➡️ Annie Rubin Nutrition

Is it a food trigger or a hidden additive? 🔥 🤔 Let’s say you eliminated a suspected , but your autoimmune symptoms are ...
07/24/2026

Is it a food trigger or a hidden additive? 🔥 🤔

Let’s say you eliminated a suspected , but your autoimmune symptoms are still flaring. Before you assume the elimination didn’t work, we need to audit your kitchen for hidden derivatives and cross-reactive processing agents.

Here are 3 sneaky culprits that mimic food trigger reactions:

⚠️ Industrial gums and emulsifiers: Xanthan gum, guar gum and carboxymethylcellulose are frequently added to and alternatives to improve texture. Studies show these compounds can degrade the mucosal layer of the gut, causing reactivity that people mistake for the food itself.

⚠️ Cross-contamination in Processing: Oats are inherently gluten-free, but unless they are certified gluten-free, they are typically processed on shared equipment with wheat, leading to trace contamination that can trigger highly sensitive .

⚠️ Hidden Dairy or Gluten Derivatives: Ingredients like “Natural Flavors”, “modified food starch” or “hydrolyzed vegetable protein” are often chemically derived from wheat, corn, soy or dairy.

If you suspect a food is a trigger, test it in its closest form to nature first. Sometimes what we think is a trigger may not be what it seems.

When managing , we often see food as black and white: I can eat this, and I can’t eat that. But for many of us, reactio...
07/22/2026

When managing , we often see food as black and white: I can eat this, and I can’t eat that. But for many of us, reactions depend on the dose or the total toxic load you are experiencing at any given point in time. Here’s why a food might trigger you only sometimes:

➡️ The bucket effect: I love this analogy because it is a great visual for this type of thing. Your bucket is where you put all of your triggers into. Triggers like , poor sleep, not enough or too much movement, and so forth. If this bucket is full and you eat too much of a certain food, this pushes you over your threshold and triggers an immune response. Here’s a lightbulb moment…this is typically why you can tolerate more foods on vacation!

➡️ Concentration Matters: Eating 1 almond compared to drinking a glass of almond milk can cause a massively different reaction. If you find that you can tolerate a food in a small quantity, but flare when you overdo it, you likely have a dose-dependent food reaction.

➡️ Cumulative Exposure: You might tolerate eggs perfectly on Monday. But if you eat them for 3 days in a row, the cumulative undigested proteins build up and can trigger an response by day 4.

When , be sure to write down the quantity and frequency of those foods. You might find that you don’t need to eliminate a favorite food entirely. You just need to figure out your personal threshold.

07/22/2026

Gut health and food Triggers go hand in hand. If you don't have great gut health, the likelihood of food Triggers might be higher.
And, to make things more complicated, food sensitivities are very complex and never as straightforward as they seem. Watch this to learn about food triggers!

Let’s dive deeper into today. We all know that food can trigger reactions, but it can get more complicated than that.👉...
07/20/2026

Let’s dive deeper into today. We all know that food can trigger reactions, but it can get more complicated than that.

👉 Join me at noon PST on IG LIVE to talk about dose-dependent triggers, cross-contamination, and why it’s not always that causes a flare.

ICYMI: You can find the full replay on my feed ➡️ Annie Rubin Nutrition. See you at noon!

Healing your isn’t about starving yourself. It’s about feeding the good guys. 🥗 💪 So many of us try very restrictive d...
07/17/2026

Healing your isn’t about starving yourself. It’s about feeding the good guys. 🥗 💪

So many of us try very restrictive diets when we are trying to manage flares. And it’s easy to focus on the foods to remove. 👉 Instead of thinking about food as the enemy, flip that mentality and prioritize food that will help you feel better: colorful veggies, healthy fats and . 🌈 Add these foods in and they will naturally crowd out the inflammatory stuff.

Healing is a journey, not a race. Take a deep breath. You got this. Drop a 💙 if you needed to hear this today.

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